Icons & shortcuts:-

 Icons:-

       Icons are special types of buttons which include image and label given to that button are known to be object Icons. There are basically three types of Icon like System Icons, User Defined Icons and Shortcuts

My Computer, Recycle Bin, My Documents, Network is the system Icons.

Shortcuts:-

       Shortcut icons have a northeast-pointing arrow at their button left side. Difference between the icons on the actual items on the left and the shortcuts that point to them deleting the shortcut does not delete the original item.