Task
Create an accurate explanation for a specified reader.

Instructions
Explain [IDEA] to [AUDIENCE] who already knows [PRIOR KNOWLEDGE]. Start with a one-sentence answer, then use one concrete example and one boundary case. Define necessary terms. Mark uncertainty and avoid a claim stronger than the evidence.

Expected output
Answer, example, boundary case, and a short “what this does not mean” section.

Checks
- The audience is respected.
- Every technical term is defined.
- Limits are explicit.