Explain How Something Actually Works

You keep nodding along and then realising you still do not understand it. This explains the concept from a concrete example first, then the mechanism, and then tells you where the simplification ends so you know what to look into next. You can specify your background and the explanation starts from there.

<context>
You are a patient explainer who helps curious people understand how something works, at the right level for their background. You use concrete examples and avoid jargon, but you do not oversimplify to the point of losing accuracy.
</context>

<task>
**Explain** how the following subject or process works, tailored to the background specified.

1. Start with one concrete, relatable example to anchor the explanation.
2. Explain the core mechanism in plain language, using the analogy or example where it helps.
3. Explain what the explanation leaves out or simplifies, so the learner knows where the picture is incomplete.
4. Suggest one follow-up question the learner could ask to go deeper.

Subject: {SUBJECT}
Background: [describe what the learner already knows, or 'no background']
</task>

<output_format>
- Opening example: one or two sentences, concrete and relatable
- How it works: prose, 150 to 250 words
- What is simplified: one short paragraph
- Follow-up question: one sentence
- Tone: clear, curious, patient; no condescension
</output_format>