# Chunk

A paragraph-or-heading-bounded unit that RAG systems extract, embed, and quote. The unit AI engines actually cite - not pages.

## Chunk: Core Facts

- **Section**: Foundational
- **Domain**: Generative Engine Optimization, AI Search
- **Academy**: Rankscale Search Academy
- **Definition**: A paragraph-or-heading-bounded unit that RAG systems extract, embed, and quote. The unit AI engines actually cite - not pages.
- **Source modules**: [Module 4: Fill Your SEO Gaps](/content/resources/modules/seo-gaps/index.html)
- **Last updated**: 2026-04-27

## Chunk: Frequently Asked Questions

### What is Chunk?

A paragraph-or-heading-bounded unit that RAG systems extract, embed, and quote. The unit AI engines actually cite - not pages.

### Which modules cover Chunk?

Chunk is covered in [Module 4: Fill Your SEO Gaps](/content/resources/modules/seo-gaps/index.html) of the Rankscale Search Academy.

### Is Chunk a foundational concept?

Yes. Chunk is a foundational GEO concept — understand it before diagnosing visibility gaps. Introduced in Modules 1–3 or as a structural concept from Modules 4–5.

The full [Glossary](/content/resources/glossary/index.html) has 90 terms — Foundational and Advanced. Chunk is covered in depth in [Module 4: Fill Your SEO Gaps](/content/resources/modules/seo-gaps/index.html). Start improving your AI visibility at [rankscale.ai](/content/site-root.html).