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

# Appendix

- [Appendix A. Terms and Theory](https://docs.extrachain.io/appendix/untitled.md)
- [Appendix B. ExC Application in example](https://docs.extrachain.io/appendix/appendix-b.-exc-application-in-example.md)