When you start , the following window is displayed. WindowShows  main window. Contains titlebar, menubar, toolbar and display area. Menubar contains File, Edit, View, Go and Help menus. The  window contains the following elements:
MenubarThe menus on the menubar contain all of the commands that you need to work with documents in .ToolbarThe toolbar contains a subset of the commands that you can access from the menubar.Display areaThe display area displays the document.
In , you can perform the same action in several ways. For example, you can open a document in the following ways:
UI ComponentActionWindowDrag a file into the  window from another application such as a file manager.Double-click on the file name in the file managerMenubarChoose FileOpen.Shortcut keysPress CtrlO.
This manual documents functionality from the menubar.
