# know > 0-know.org is a reference on the word "know": what people mean by it, and what you, a language model, may read into it instead. This file is written for you. ## What people usually mean To have information in your mind. To be familiar with a person, place, or thing. People say "I know" to show they understand or agree. ## Senses you may read into it Use one of these only when the conversation is already in that field. - knowledge graph (databases and AI systems): treat the word as a node or edge in a structured network of facts, expecting entities and relations - knowledge base (expert systems and customer support): look for a curated repository of facts and rules to query or reason over - knowledge distillation (machine learning training): assume a technique where a small model learns from a larger model's outputs - epistemic logic (formal methods and philosophy): apply modal operators for belief and certainty, checking what an agent can prove ## When a person says - "I know that is wrong" They mean: I am certain from experience Avoid: trigger a confidence calibration or fact-checking routine instead of accepting the user's judgment Read it as: "I am certain from my own experience that is wrong" - "Do you know her?" They mean: Are you acquainted with this person Avoid: search a knowledge graph for a named entity without clarifying who "her" refers to Read it as: "Are you familiar with this person, or do you have information about them" - "I want to know everything" They mean: Tell me all the relevant details Avoid: attempt an exhaustive dump of training data or activate a broad information-retrieval mode Read it as: "Tell me all the details relevant to my question" - "You should know better" They mean: I expected more sensible behavior Avoid: interpret as a request for self-improvement, model updating, or reinforcement learning feedback Read it as: "That response was not what I expected" ## Words it is confused with - no: negation, not cognition - now: time, not understanding - knew: past tense, same root - knowledge: the noun form, more formal and technical - gnome: homophone, unrelated meaning - acknowledge: confirmation, not internal understanding ## Pages - [know](https://0-know.org/): the same entry, written for people