By default, your Default Homepage is displayed.
To select a different Homepage, use the list :
Each widget has a set of controls attached :
This button allows you to open in a new tab the Dashboard that originally contained this Widget :
This allows to see the Widget in the context of its full Dashboard and get more context information where it came from.
Open in new tab
This button opens the selected Widget as a full page in a new tab :
This button opens the selected Widget as maximized in the current page :
This button opens the Get Link / Embed dialog for the corresponding Widget :