> For the complete documentation index, see [llms.txt](https://docs.aegis.markets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aegis.markets/part-2-core-engine-concepts.md).

# Part 2 - Core Engine Concepts

- [What is AEGIS Engine?](https://docs.aegis.markets/part-2-core-engine-concepts/what-is-aegis-engine.md)
- [The Big Idea: Turning Liquidity Into Credit](https://docs.aegis.markets/part-2-core-engine-concepts/the-big-idea-turning-liquidity-into-credit.md)
- [How Borrowing Works](https://docs.aegis.markets/part-2-core-engine-concepts/how-borrowing-works.md)
- [The Safety Model](https://docs.aegis.markets/part-2-core-engine-concepts/the-safety-model.md)
- [Why AEGIS Engine Is Different](https://docs.aegis.markets/part-2-core-engine-concepts/why-aegis-engine-is-different.md)
- [Liquidations and Keepers](https://docs.aegis.markets/part-2-core-engine-concepts/liquidations-and-keepers.md)