# chapter (section)

a part of a book that is set apart by a boundary and consists of a grouped set of pages

- Computed level: L18 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: textual  ·  Arena: chapter

## Emergence
**Emerges from:** [part](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-part.relation), [boundary](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-boundary.limit), [page](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-page.sheet), [books](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-books.information), [sets](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-sets.grouped)

**Through:** the part is demarcated by a boundary and unified through a grouping of pages within a book

**Novel properties:**
- organized division
- sequential unit
- grouped pages within a larger work

## Examples
- The first chapter of 'Moby Dick' is titled 'Loomings' and begins on page 19 in the 1851 Harper & Brothers edition. *(literature)*
- In the Linux kernel source code, the 'Memory Management' chapter in Documentation/admin-guide/mm/ explains page allocation. *(computing)*
- The 1986 Chernobyl disaster is covered in Chapter 4 of the IAEA's 1991 report 'The Chernobyl Accident: Outcomes, Lessons Learned'. *(engineering)*

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-chapter.section*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-chapter.section.json*  
*Every definition provably resolves to space, time, energy and pattern.*