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

# Core Concepts

## Coach

An entity or person who manages multiple athletes. This could represent a sports club, an actual coach, or a gym.

## Athlete

An individual who is tied back to a [Coach](#coach). An Athlete cannot exist without a coach it is attached to.