# UI Reference

This section goes into more depth about Unity’s UI features.

| **Topic** | **Description** |
|:---|:---|
| [Rect Transform](class-RectTransform.md) | Learn about the Rect Transform component. |
| [Canvas Components](comp-CanvasComponents.md) | Learn about the Canvas component and its related components. |
| [Visual Components](comp-UIVisual.md) | Learn about the visual components of Unity UI. |
| [Interaction Components](comp-UIInteraction.md) | Learn about the interaction components of Unity UI. |
| [Auto Layout](comp-UIAutoLayout.md) | Learn about the auto layout components of Unity UI. |
| [Events](EventSystemReference.md) | Learn about the event system components of Unity UI. |