# StandardNames.Annotation class

Namespace: [Grasshopper2.Data.Meta](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.data.meta.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
[UiInfo("Collection of standard meta data names associated with annotation and dimensioning.")]
public static class StandardNames.Annotation
```

Collection of standard meta data names associated with annotation and dimensioning.

## Fields

- [Category](https://developer.rhino3d.com/api/gh2/type/grasshopper2.data.meta.standardnames.annotation/category.md): (static) Name for specifying the category to which a value belongs.
- [Symbol](https://developer.rhino3d.com/api/gh2/type/grasshopper2.data.meta.standardnames.annotation/symbol.md): (static) Name for specifying the symbol of a value. This may for example relate to constants or special functions.
- [Units](https://developer.rhino3d.com/api/gh2/type/grasshopper2.data.meta.standardnames.annotation/units.md): (static) Name for specifying the units associated with a value.