> For the complete documentation index, see [llms.txt](https://udonfi-1.gitbook.io/udonfi-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts.md).

# Core Concepts

- [Liquidity Protocol](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/liquidity-protocol.md)
- [Supply](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/supply.md)
- [Withdraw](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/withdraw.md)
- [Borrow](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/borrow.md)
- [Repay](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/repay.md)
- [Liquidation & Health Factor](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/liquidation-and-health-factor.md)
- [Core Fee](https://udonfi-1.gitbook.io/udonfi-docs/core-concepts/core-fee.md)