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

# Deep dive

- [Important concepts](https://docs.shellprotocol.io/deep-dive/important-concepts.md)
- [Separating accounting logic & business logic](https://docs.shellprotocol.io/deep-dive/important-concepts/separating-accounting-logic-and-business-logic.md)
- [Ocean Primitives](https://docs.shellprotocol.io/deep-dive/important-concepts/ocean-primitives.md)
- [The Ocean](https://docs.shellprotocol.io/deep-dive/the-ocean.md)
- [Primitives](https://docs.shellprotocol.io/deep-dive/primitives.md): Ocean-native smart contracts
- [Adapters](https://docs.shellprotocol.io/deep-dive/primitives/adapters.md): Ocean adapter primitives
- [Proteus AMM Engine](https://docs.shellprotocol.io/deep-dive/primitives/proteus-amm-engine.md): An Ocean-native AMM primitive
- [NFT Fractionalizer](https://docs.shellprotocol.io/deep-dive/primitives/nft-fractionalizer.md): An Ocean-native primitive for fractionalizing NFTs