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# AVCaptionDimension

A structure that defines a caption dimension.

```
struct AVCaptionDimension
```

## Topics

### Inspecting the dimensions

[`value`](/documentation/AVFoundation/AVCaptionDimension/value)

The value of the coordinate or length.

[`units`](/documentation/AVFoundation/AVCaptionDimension/units)

The units of the coordinate, such as cells or points.

[`AVCaptionUnitsType`](/documentation/AVFoundation/AVCaptionUnitsType)

A structure that defines a units for caption formats.


---

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