Each icon can look different or the same as others. Application Icons can reside in more than one group for logical associations. Each Group Icon can hold one or more Application Icon. It pays to group Application Icons logically to reduce the amount of looking you have to do to find the icon you wish to use. The Active window is the window being worked in.
Inactive windows are in the background.
Each window has its own Control Box, Title Bar, Minimize and Maximize buttons. Each window can be Opened, Closed, Moved, Sized, Maximized, Minimized, Cascaded, or Tiled. If more than one window is open, they can be Tiled or Cascaded for easier viewing. Running Programs To run a program, Windows gives us several choices. The first and easiest option is to double-click on the program icon in a Program Manager group.