You can add any type of File Manager or Application Manager icon to the Front Panel. However, the most convenient use for this feature is adding application icons.
Display the subpanel to which the object is to be added.
Drag the object to the Install Icon control and drop it on the control.
File - The same behavior as the file's icon in File Manager
Folder - Opens a File Manager view of the folder
Application group - Opens an Application Manager view of the application group
Application icon - The same behavior as the application's icon in File Manager or Application Manager