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Do We Understand What We Can Name?
Science, Cognition and Neuroscience

Do We Understand What We Can Name?

Between knowing a name and understanding a mechanism

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Introduction: a small question beside a bag

In an imagined scene, a child asks his father about the zipper that closes his bag: how does this little part bring the teeth together and separate them again? The father smiles, says it is simple, and holds the fabric to demonstrate. The zipper moves as it does every day, but the explanation does not move with it. He knows the part’s name and how to use it, and may once have fixed it when it jammed; nevertheless, he struggles to describe what happens inside it. Neither dignity nor intelligence is lacking. What has become visible is the distance between different kinds of knowledge.

We live among words that quickly reassure us: algorithm, memory, incentives, inflation, immunity. The words are not the problem; they are necessary tools for thought and communication. The problem begins when finding the name ends the question, as though putting a sign on a room’s door meant we had entered and learned what was inside. We may repeat a correct definition, then stumble when someone asks for an example, an exception, or the relationship between two steps.

This article discusses the difference between naming things and understanding them, drawing on original research into how people assess the depth of their understanding. The everyday scenes and suggestions below are editorial examples and reflections, not independent experimental findings. We do not want to turn intellectual humility into fear of speaking, or place an examination in the way of every conversation. We want a standard that helps us identify what we can say confidently and what needs another question.

Opening questions

  • What is the difference between knowing something’s name and understanding how it works?
  • When does a term help me, and when does it conceal a question I have not answered?
  • How can I reconsider my confidence without losing the ability to decide?
  • Can I be a good learner while saying, “I do not know”?

1. A name opens the door; it does not complete the journey

A name is an achievement, not something to dismiss. Learning a new word allows you to search for it, ask someone who knows it, and distinguish it from related words. A child who knows the word “zipper” has a more precise way of asking for help. An employee who knows the name of a procedure can consult its manual. Each kind of knowledge, however, serves a particular function; succeeding at that function does not mean it answers every possible question.

Take a hypothetical example from a work meeting. Someone says that a project’s delay results from poor communication. This may be a sound starting point, but alone it is insufficient to identify what needs repair. Did the message fail to arrive? Did it arrive late? Was the deadline understood differently? Did the employee not know who held decision-making authority? The general label brings many possibilities together. Treating it as a complete answer might lead us to request more meetings, when the real problem was the absence of a clearly responsible person for one step.

Several questions sit beneath “I know.” I may know what something is called, where to find it, how to use it, what explains its operation, and when it stops working. These are practical distinctions proposed here to clarify the discussion, not formal levels in a psychological test. A person may advance in one and lag in another. Someone skilled at operating a machine need not be able to design it, and someone who explains its design may need training to use it well under difficult conditions.

Difficulty explaining must therefore not become an insult to practical expertise. A craftsperson may see a fault and repair it with a precise movement before finding the words to describe it. They may need a drawing, a model, or more time to express what they know. The fair question is: what task do we claim to be capable of, and what evidence is appropriate to that ability? We should neither make verbal fluency the sole measure of knowledge nor dismiss explanation altogether when it is necessary.

It is useful to distinguish definition from explanation. A definition identifies what a word means and the limits of its use; an explanation tries to show a relationship that makes an occurrence understandable. Saying congestion consists of many vehicles and slow traffic describes a condition, but does not identify its cause on a particular street. Roadworks, a poor intersection, or a temporary event might be involved. A description does not become wrong because it is not an explanation; it becomes misleading when presented as having performed another function.

Returning to the child’s question, we can begin more honestly: “I know how to use this part, but I need to look more closely at how it works.” This preserves what we know and leaves room for what we do not. It requires neither a lengthy apology nor a display of humility. It simply restores the claim to its true size and makes investigation a natural continuation of the conversation rather than a defeat for either person.

2. What does the research reveal—and what does it not?

In research published in Cognitive Science in 2002, Leonid Rozenblit and Frank Keil examined what they called the illusion of explanatory depth. In the first study, participants rated their understanding of familiar devices, then attempted a detailed causal explanation and rated it again. Their estimated understanding fell after attempting to explain. That study’s sample consisted of sixteen Yale graduate students; the paper includes other studies exploring the phenomenon and comparing it with different kinds of knowledge.

“People feel they understand complex phenomena with far greater precision, coherence, and depth than they actually do.”
— Rozenblit and Keil, opening of the abstract, 2002; rendered here from the Arabic translation of the English original. Original source

This is a finding about estimated understanding in particular tasks. It gives us no global percentage of human ignorance and does not establish that every confident person is wrong. A university sample and a device-explanation task do not represent all ages, cultures, or fields of expertise. We use the research to raise a question about calibrating confidence, not to diagnose people or judge those who disagree with us.

Beyond that research boundary, we can reflect on an ordinary situation without calling it an experiment. Imagine reading a short description of a new service and then being asked to explain it to a colleague. You may discover a step you did not ask about: who receives the request, and what happens if it is incomplete? This discovery does not mean you understood nothing; it identifies the part needing follow-up. One question may complete the picture without learning everything again from the beginning.

The distinction between a useful test and embarrassing interrogation appears in how it is posed. Saying to a colleague, “Explain it so I can prove you do not know,” makes it a confrontation over status. Saying, “Let us work through the steps together to see where clarification is needed,” makes the task shared. This is a recommendation about workplace conduct, not a scientific promise that rephrasing a question will resolve every tension or ensure everyone’s openness.

We must also remain alert to the opposite problem: someone may give a coherent explanation that is incorrect. Producing a causal story is not a final certificate of its truth. We need a source, observation, or test appropriate to the claim. If I explain a device’s failure convincingly but the repair does not work, the explanation’s elegance is insufficient reason to persist with it. The model may be incomplete, or the situation different from what we assumed.

Writing then becomes a tool for examination rather than a stage for demonstrating superiority. We can write what we believe and mark the leap whose support we do not know. The missing phrase may be very small: why does this lead to that? Once identified, it makes research more economical. We do not investigate an entire subject to increase our feeling of being informed, but a particular link needed to judge whether our conclusion deserves confidence.

3. When vocabulary becomes authority

In a hypothetical discussion among friends, someone says every disagreement between them arises from cognitive bias. The statement may sound scientific, but they have not explained which bias, how they identified it, or why the disagreement could not concern different information or values. The name may become a way to close the conversation. We should therefore ask for the example and evidence, even if we admire the term or agree with the conclusion it was used to defend.

This does not mean banning specialist language. A good term condenses shared knowledge within a field and saves time that need not be wasted redefining everything. But when it reaches a different audience, it needs a bridge. A writer can give the term, explain its contextual meaning, offer an example, and identify what it does not mean. This serves the reader; it neither belittles knowledge nor sacrifices precision for simplicity.

Caution matters even more when the words concern human beings. Describing behavior as repeated or hurtful differs from assigning a psychological diagnosis after a brief conversation. Asking about a decision’s effect differs from claiming to know the decision-maker’s intention. A concept may help organize observation, but does not replace missing information. Honesty requires distinguishing what we saw, what we inferred, and what we lack an adequate basis to judge.

We can apply this separation to ourselves as well. “I am poor at communication” may be broader than the experience I want to describe. Perhaps I struggle with a particular request or speaking before a group, while listening well and explaining work clearly. A more precise description does not guarantee the problem’s disappearance, but makes it approachable. The task is no longer to change my whole personality, but to understand a specific situation and try an appropriate response.

Short-form content has a useful function and clear limits. One minute may give you a question worth pursuing or a name for an unfamiliar subject. It should not be expected, by itself, to establish a complex case. Before republishing an explanation, we can ask where its source is, what context it was taken from, and whether it distinguishes possibility from certainty. Not every reader must become an academic reviewer; the strength of the statement they transmit should simply match the strength of what they have verified.

Sometimes what we most need is to keep the question open. “I do not know why that happened” does not prevent clear practical action. We can correct a scheduling error without inventing a story about its author’s motives, or ask a service for clarification without adopting an all-encompassing explanation of its policies. Separating practical need from the wish to explain everything reduces the claims we later feel compelled to defend without evidence.

4. In the light of the Quran and Islamic wisdom

We bring to mind texts that guide our relationship with knowledge and responsibility. We do not present them as experimental descriptions of the illusion of explanatory depth, or claim that psychological research proves their religious meaning. The connection proposed is ethical: how does a person govern their speech and learn without making status an obstacle to questions? Each verse’s context remains necessary; an excerpt cannot replace reading the text in its place.

TRANSLATION OF THE MEANING · COMPLETE VERSE 17:36Do not follow[1] that of which you have no knowledge. Indeed, the hearing, the sight, and the heart, all of them will be called to account.Translation notes: [1] i.e., do not say or assume.Rowwad Translation Center · QuranEnc · v1.0.20
— The Quran, an excerpt from Al-Isra: 36. Verse and context

The verse appears among instructions concerning rights, conduct, and responsibility; its continuation mentions hearing, sight, the heart, and accountability for them. It informs our distinction between what we have learned and what we have passed on without verification. This does not mean that every everyday conversation requires complete certainty. Rather, presenting speech as knowledge carries responsibility, and acknowledging the limits of what we possess is more honest than filling a gap with unsupported assurance.

TRANSLATION OF THE MEANING · COMPLETE VERSE 20:114So Exalted is Allah, the True Sovereign[1]. Do not hasten to [recite] the Qur’an before its revelation to you is concluded[2], and say, “My Lord, increase me in knowledge.”Translation notes: [1] Of everything in existence. [2] Prophet Muhammad (ﷺ) was eager to recite the Qur’an while it was being revealed, so Allah Almighty told him to avoid being in haste in order to learn them before the verses are properly delivered; rather, listen to them attentively.Rowwad Translation Center · QuranEnc · v1.0.20
— The Quran, an excerpt from Taha: 114. Verse and context

This supplication occurs in a context that includes the prohibition against hastening with the Quran before its revelation to the Prophet, peace and blessings be upon him, is completed. We do not turn it into a slogan for rapid productivity or a promise that more information alone improves a person. Our reflection concerns keeping the pursuit of greater knowledge open. An experienced person can continue learning and correct an earlier understanding without treating each new question as a deduction from the value of what they already know.

TRANSLATION OF THE MEANING · COMPLETE VERSE 18:66Moses said to him, “May I follow you so that you may teach me some knowledge that you have been taught?”Rowwad Translation Center · QuranEnc · v1.0.20
— The Quran, from the words of Musa, peace be upon him, in Al-Kahf: 66. Verse and context

The words occur in the story of Musa’s meeting with the servant whom Allah had granted mercy and knowledge. We draw on the courtesy of seeking to learn, while preserving the story’s particularity and not turning it into a demand for blind obedience to any contemporary teacher. Legitimate questions and accountability do not disappear because someone claims hidden knowledge. Humility in learning does not permit exploiting learners or exempt an authority figure from explaining the limits of what they say.

TRANSLATION OF THE MEANING · COMPLETE VERSE 12:76So he began searching their bags before his brother’s bag[1], then he brought it out of his brother’s bag. This is how We planned for Joseph; he could not have detained his brother under the King’s law, unless Allah so willed. We raise in ranks whom We will, but above each one who possesses knowledge is the All-Knowing One.Translation notes: [1] To avert suspicion.Rowwad Translation Center · QuranEnc · v1.0.20
— The Quran, an excerpt from Yusuf: 76. Verse and context

The excerpt comes in the context of the arrangement concerning Yusuf and his brother and the raising of ranks. We read it as a reminder of the limits of human knowledge, not an invitation to equate every opinion with every other. Knowing our limits does not abolish differences between specialists and others, or make doubt a reason to reject evidence. We can respect expertise and ask for its explanation, acknowledge knowledge greater than our own, and still do what we can to understand what we need.

5. A serious objection: must we understand everything?

A reader may object that life leaves no room to examine every word and device. We rely on other people’s work, trust systems we did not build, and decide before knowledge is complete. The objection is sound in principle. If complete understanding of every mechanism were required before every use, many actions would stop. The invitation here is not to intellectual self-sufficiency, but to honesty about the relationship between what we know and what we entrust to others.

When using something whose details I do not understand, I can say I rely on a competent organization or clear instructions instead of claiming a complete explanation. Delegation in this sense is not a flaw; it is a choice needing an appropriate basis. Is the organization qualified in this field? Does it explain the service’s limits? Is there a route for review when something goes wrong? These are practical questions for evaluating reliance, not absolute protection against failure or deception.

Understanding the relevant part may also be better than collecting many details that do not serve the decision. Someone buying a household appliance needs to know its usage requirements, maintenance, and warranty, but may not need its internal design. Someone repairing it or changing a part has greater responsibility. The required depth of understanding depends on the task and the consequences of error. No single amount of detail suits every person in every setting, and precision has little value if we do not know why we seek it.

Another objection is that asking for explanation may embarrass someone who is not verbally fluent while rewarding a skilled improviser. We therefore need different ways of demonstrating knowledge: drawing, application, consulting a manual, or time to prepare. For an important institutional decision, judgment should not depend on the impression of one meeting. We seek performance appropriate to the task and openness to review, not speed of reply alone.

Intellectual humility also does not require lowering confidence in everything. We may have strong evidence for a specific fact and weaker evidence for a detailed explanation of it. We can distinguish the levels instead of discarding both. Acknowledging that I do not know every reason a procedure was delayed does not prevent establishing that it was delayed. My inability to explain every detail in a trustworthy source does not make an unsupported report its equal.

The more productive question is therefore: what degree of understanding is needed here, who possesses the missing part, and how can I review the outcome? This preserves action without glorifying haste. The answer may lead to a decision now, a small trial, or waiting for decisive information. We celebrate neither delay nor decisiveness for its own sake, but consider how each fits what we actually know and what error could bring.

6. Practical applications: test the bridge between two words

Choose one idea you use frequently and write a specific question about it. Do not begin with a broad subject such as how the mind works, but a question whose answer you can recognize yourself approaching. It might be: what do we mean by success at this step of work? Or how do we know the message reached the right person? Defining the question keeps you from replacing broad uncertainty with another broad word and makes helping less costly for whoever assists you.

Next, write your present explanation in a short paragraph. Do not research during this first attempt or try to make the text sound professional. Use words whose meanings you know and mark every unclear transition. This is a proposed editorial exercise for examination, not a standardized test of intelligence or knowledge. Finding a gap accomplishes part of the task: you now have something to ask about instead of a vague feeling that the whole subject is complicated.

Then return to a source suitable for the question. For a workplace procedure, begin with its approved manual; for a research claim, seek the original study and its limits; for a word’s meaning, consult a reference explaining usage. Finding a text that repeats your opening statement is not enough. Ask whether it adds a relationship, condition, or example that helps clarify the missing point, and whether you can identify where it makes that contribution.

After reading, rewrite the paragraph without copying. Compare the versions and ask exactly what changed. You may discover that the source answered a related question rather than yours, or that a disagreement needs presenting rather than hiding. Finding a link must not end the review: a link points to a place, whereas the strength of support depends on what the source actually says and its relevance to the claim you want to support.

Try a new example rather than the one you memorized. If your understanding concerns a procedure, what happens when information is missing or the steps change order? If it concerns a concept, what case does it not apply to? You need not know immediately. The purpose is to discover where the explanation works and where it needs revision. The best result may be to narrow your claim: this rule helps with this kind of case, and I do not yet know whether it applies elsewhere.

It also helps to choose a way of preserving the review’s trace. End your note with three lines: what I understood, what remains open, and the source I consulted. This is not homework for every reading, but a tool when the subject matters to you. Days later, you can return to it and see whether you remember the idea or only remember having read about it. Do not make the note a permanent certificate; a better source or a question absent at the time of writing may emerge.

A work team can try this approach with a small decision before extending it. Each person describes what they expect to happen, and points of agreement and disagreement are brought together on one page. It may emerge that the disagreement concerned not the goal but the meaning of a word such as urgent, complete, or approved. Repair then lies in defining the procedure and responsibilities, not asking everyone for more enthusiasm. This is a proposed organizational example, not a result attributed to the psychological study.

At home, we can give children the right to ask without assigning them the role of examining adults’ knowledge. If we do not know, we choose together what is worth investigating now and what can wait. On finding an answer, we explain how we reached it instead of presenting it as though it appeared from nowhere. Verification thus becomes part of conversation while the relationship stays warm and ordinary, rather than a continuous lesson testing every phrase and moment.

In discussion, ask the other person to clarify the link between two ideas instead of making them repeat everything. You might say: “I understand the description of the problem, but how did you reach this cause?” Or: “What information, if it changed, would change your opinion?” Be willing to answer the same question yourself. These questions are not fair if we make them an examination for others and a permanent exemption for ourselves.

Give the examination a practical endpoint. You may need to revise a message, ask an expert, conduct a limited trial, or record what remains unknown. Without this endpoint, research can become endless collection of terms and links. The goal is not an explanation that grows longer every time, but one that becomes clearer and more open to review. Sometimes the more precise sentence is shorter because it abandons an unnecessary claim.

Keep the door to correction open after deciding. If something contradicts your expectation, record the difference before seeking a quick justification. Was the mistake in a fact, an assumed relationship, or its application to a different case? This detail turns correction into knowledge usable later. Saying “I understand nothing” or “Circumstances alone are responsible” may prevent you from seeing the specific part you can improve.

Conclusion: knowing where the gap is begins knowledge

The father in our imagined scene returns to his child’s bag. He gives no lecture on humility and invents no answer to preserve his image. He looks at the part with the child, they seek an appropriate explanation, and leave what remains unclear for another question. The encounter may end with a small piece of knowledge about the zipper, or something broader: that questions do not insult those we love, and an adult’s value does not depend on having a ready answer to everything.

We need names to share knowledge, but also need to know what those names carry and what they leave open. Understanding is not a promise of comprehensiveness, but an ability to explain relationships, limits, and where we rely on others. When we can say, “This is what I know, and this is what I need to verify,” our confidence becomes less noisy and more useful. Seeing a gap does not diminish us; it gives us a clear place to begin.

Closing questions

  • Which term do you use frequently whose meaning you need to explain in a particular situation?
  • What is the difference between what you know yourself and what you rely on others’ expertise for?
  • How can you request clarification without turning the discussion into embarrassment?
  • What single piece of information could change an explanation you hold to?
Concept glossary

Illusion of explanatory depth: Overestimating the depth of one’s understanding of a mechanism, as examined by the cited research within particular tasks.
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Definition: Identifying a word’s intended meaning and the limits of its use.
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Causal explanation: An attempt to clarify how factors or steps contribute to an outcome.
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Confidence calibration: Making the strength of an assertion proportionate to the evidence and the limits of available knowledge.
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Intellectual humility: Recognizing the limits of knowledge and remaining willing to revise, without treating different evidence as equal.
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Epistemic delegation: Consciously relying on others’ knowledge in an area we do not possess, while choosing an appropriate basis for trust.
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References and sources · 5
  1. Rozenblit, L., & Keil, F. (2002). The misunderstood limits of folk science: an illusion of explanatory depth. Cognitive Science, 26, 521–562. Original text hosted by Yale University.
  2. The Quran, Al-Isra: 36, among instructions on rights, conduct, and accountability.
  3. The Quran, Taha: 114, in the context of receiving revelation and asking for greater knowledge.
  4. The Quran, Al-Kahf: 66, Musa’s request to learn within the story’s context.
  5. The Quran, Yusuf: 76, in the context of the arrangement concerning Yusuf and his brother and the raising of ranks.
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