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

# Core concepts

- [Event types](https://help.ditcal.com/core-concepts/event-types.md)
- [Booking](https://help.ditcal.com/core-concepts/booking.md)
- [Availability](https://help.ditcal.com/core-concepts/availability.md)