# Runtime Types

The data structures a State, Action, Group and Cycle are built from. See
{doc}`../concepts/model` for how these relate.

## Action states, actions, groups, cycles

```{doxygenfile} MovaIxActionTypes.h
```

```{doxygenfile} MovaIxAction.h
```

```{doxygenfile} MovaIxActionGroup.h
```

## Core enums and small types

```{doxygenfile} MovaIxTypes.h
```

## Addressing

`MovaIxAddress.h` and `MovaIxUtils.h` both extend the same `MovaIx` namespace
(parsing/resolution helpers and small free-function utilities respectively), shown
together here to avoid duplicating the namespace's documentation:

```{doxygennamespace} MovaIx
:content-only:
:members:
```

See {doc}`../concepts/tag-grammar` for the human-readable grammar this parses.

```{doxygenclass} UMovaIxLibrary
:members:
```

## Save data

```{doxygenfile} MovaIxSaveGame.h
```

See {doc}`../guides/save-load`.