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The controls from left to right are
- Zoom/Unzoom - Cick Click on the the + or - signs
- Size dropdown - to increase the size of the document
- Download - Downloads the document
- A|B - Let's you compare revisions
- Mark up - Let's you mark up the document if you have the appropriate rights (Usually done on a Workflow Review)
- Basket - adds the document to the document basket
- Add to version set - lets you add the document to an existing or new version set
- Distribute - lets you distribute the document to other collaborators on your project
- Lock - locks the document from being superseded by other users
- Retire - retires the document from the Publication space and becomes hidden
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