> For the complete documentation index, see [llms.txt](https://doc.hfsm.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.hfsm.dev/user-guide/basic-features.md).

# Basic Features

- [Hierarchy](https://doc.hfsm.dev/user-guide/basic-features/hierarchy.md)
- [Root](https://doc.hfsm.dev/user-guide/basic-features/hierarchy/root.md)
- [Region](https://doc.hfsm.dev/user-guide/basic-features/hierarchy/region.md)
- [State](https://doc.hfsm.dev/user-guide/basic-features/hierarchy/state.md)
- [State Methods](https://doc.hfsm.dev/user-guide/basic-features/state-methods.md)
- [Control](https://doc.hfsm.dev/user-guide/basic-features/state-methods/control.md)
- [Transitions](https://doc.hfsm.dev/user-guide/basic-features/transitions.md)
- [Events](https://doc.hfsm.dev/user-guide/basic-features/transitions/events.md)
- [Update Cycle](https://doc.hfsm.dev/user-guide/basic-features/update-cycle.md)