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# User Interface - layout

There are three main areas of the application controlled by the [Layout component](https://github.com/Alfresco/alfresco-content-app/tree/master/src/app/components/layout):

1. [Application Header](/features/header)
2. [Side Navigation](/features/side-navigation)
3. [Document List](/features/document-list-layout)

![Features](../images/features-01.png)