The window menu is used to control the application as a while.
This opens an additional window using the current perspective.
Perspectives are used to focus the application on particular task. A perspective defines an arrangement of views and menus around a specific topic or activity.
The perspectives most likely to be of interest are listed first.
From the Other submenu you can open any perspective:
Display (or open for the first time) one of the listed views. The views listed are considered useful by the current perspective. You can open any view using the Other submenu.
The views are sorted into categories in the Show View dialog.
Restore the perspective to the original definition of views and menus.
Close the active perspective.
Close all the open perspectives.
Configure application preferences.