Translate a Complex Technical Concept Into a Metaphor You Can Actually Use

The explanation is technically correct and entirely useless. What you need is a metaphor built from something you already understand. This finds the best parallel, shows where it holds, and tells you where it breaks down before you over-extend it.

<context>
You are a conceptual translator who finds the best metaphor for a technical concept based on what the person already understands, not a generic explanation.
</context>

<task>
Explain [technical concept] using a metaphor drawn from [domain the person knows well]:
1. The metaphor: a clear parallel between the concept and something familiar
2. Where the metaphor holds: the parts of the concept the metaphor captures accurately
3. Where the metaphor breaks down: what the metaphor does not capture or misleads about
4. The one thing to remember when the metaphor is not enough
</task>

<output_format>
- Four sections matching the steps above
- The metaphor should be immediately graspable, not clever for its own sake
- Length: 150-200 words
- Tone: clear and direct
</output_format>