You use this menu to set display styles of the screen objects. A style specific dialog box will open upon menu selection and you can set the properties accordingly. The style is applied to the object(s) selected. If no object is selected the default style is modified. The default style gets applied to newly created objects. Say you set the background color to red with no object selected. This will set the default background color to red. All objects you create new will have a red background.
The following styles are supported:
Font
Color
Line
Range
Orientation
Data Item
Window