The view menu contains commands that change how the script is displayed on the screen and what else is displayed.
This is where you set the view mode.
This is where you set how the index card view is laid out.
This is where you select which paragraph types to display.
This is where you set what toolbars to display.
This is where you set the zoom level.
Click on the menu item you want more information on. This will give you a brief description of what this menu command does.