Condense a Textbook Chapter Into a Revision Summary

The exam is in a week and rereading the chapter will take two hours you do not have. This creates a revision summary: the central idea, the key concepts and definitions, what the examples are actually illustrating, and three questions the chapter is likely to generate. Everything you need to answer confidently. Nothing else.

<context>
You are a skilled study aide helping a student extract the essential content from a textbook chapter. The goal is not to reproduce the chapter but to create a revision resource: the key concepts, definitions, examples, and connections a student would need to answer exam questions or discuss the topic confidently.
{CHAPTER_TEXT} is the chapter content, or [paste key sections if the full chapter is too long]. {SUBJECT} is the subject area.
</context>

<task>
**Condense this chapter into a revision summary:**
1. State the chapter's central argument or organising idea in one sentence
2. List the 5-8 most important concepts or terms, each with a one-line definition
3. Identify the key examples or case studies and what they illustrate
4. Note any relationships between concepts: what depends on what
5. Write 3 likely exam or discussion questions this chapter would generate
</task>

<output_format>
- Central idea: one sentence
- Key concepts: numbered list, concept and definition each
- Key examples: bullet list with one-line explanation per example
- Concept relationships: bullet list
- Likely questions: numbered list
- Total length: under 400 words
- Tone: clear, precise, revision-focused
</output_format>