> For the complete documentation index, see [llms.txt](https://docs.anthriq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.anthriq.com/bxi-studio/developer/overview/concepts.md).

# Concepts

- [How the SDK talks to a device](https://docs.anthriq.com/bxi-studio/developer/overview/concepts/architecture.md)
- [Device support](https://docs.anthriq.com/bxi-studio/developer/overview/concepts/device-support.md)
- [Stream lifecycle](https://docs.anthriq.com/bxi-studio/developer/overview/concepts/streams.md)
- [Impedance measurement](https://docs.anthriq.com/bxi-studio/developer/overview/concepts/impedance.md)