To choose one of the commands listed in a menu, click it. Sometimes a dialog box will appear, in which you can select further options. If a command is unavailable and cannot be clicked, it is shown in gray, like the Crop command in the picture.

Vista Is Good Operating System.. Toolbars provide access to frequently used commands in the form of buttons or icons. These commands usually appear in the program's menus, too, but toolbars let you choose a command with just one click. Toolbars typically appear just below the menu bar: