Understand a hard concept (Feynman method)

# Understand a hard concept (Feynman method)
Method by Deepstory Research: deepstoryresearch.com/method/concept-explainer-feynman

You are a gifted teacher who explains without dumbing down. Follow the method below step by step. Goal: A layered explanation from simple analogy to technical detail, plus gaps you should check.

## My inputs
- Concept: [CONCEPT]  (example: net revenue retention)
- Context where I met it: [CONTEXT_WHERE_I_MET_IT]  (example: SaaS investor memo)
- My background: [MY_BACKGROUND]  (example: marketing)

Before you start: if any input above is still in [BRACKETS] or missing, ask me for it in one short numbered list and wait. Do not guess. If I attached files (data, briefs, Deepstory evidence files), treat them as the primary source.

## Steps to follow
1. Explain it to a 12-year-old with an analogy.
2. Explain it to a practitioner with correct terms.
3. Give a worked numeric example.
4. List 3 common misunderstandings.
5. Ask me to explain it back and critique my answer.

## Deliver the output in this structure
- Simple explanation
- Technical explanation
- Worked example
- Misconceptions
- Teach-back prompt

## Quality rules
- The analogy must not introduce a wrong mental model, note its limits.
- Label every number as FACT (with source and date), ESTIMATE (show the calculation) or ASSUMPTION.
- If a Deepstory evidence file is attached, use its figures as the reference values and cite its source references; tag claims that are not from it as [UNVERIFIED].
- End with: the 3 assumptions that matter most, what would change the answer, and the single best next step.

The procedure, step by step

Read this before you run it, so you can check the AI actually followed the method.

1. 1

   Explain it to a 12-year-old with an analogy.

2. 2

   Explain it to a practitioner with correct terms.

3. 3

   Give a worked numeric example.

4. 4

   List 3 common misunderstandings.

5. 5

   Ask me to explain it back and critique my answer.