Working with perspectives
  Perspectives define the initial set and layout of views in the Workbench window. They provide a set of
  functionality aimed at accomplishing a specific type of task or working with specific types of resources.
  See the Related tasks links for more details.
  Perspectives
  Views
  Detached views
  Switching between perspectives
  Specifying the default perspective
  Opening perspectives
  Changing where perspectives open
  Showing and hiding menu items and toolbar buttons
  Configuring perspective command groups
  Configuring perspective shortcuts
  Saving a user defined perspective
  Deleting a user defined perspective
  Resetting perspectives