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

# Core Concepts

- [Architecture Overview](https://sdkdocs.deva.me/core-concepts/architecture-overview.md)
- [Authentication Flow](https://sdkdocs.deva.me/core-concepts/authentication-flow.md)
- [Provider Pattern](https://sdkdocs.deva.me/core-concepts/provider-pattern.md)