Icon:
It is a graphic symbol representing the window elements like files, folders, shortcuts etc., Icons play a vital role in GUI based applications.
Standard Icons:
The icons which are available on desktop by default while installing Windows OS are called standard icons. The standard icons available in all Windows OS are My Computer, Documents and Recycle Bin.
Shortcut Icons:
It can be created for any application or file or folder. By double clicking the icon, the related application or file or folder will open. This represents the shortcut to open a particular application.
Disk drive icons:
The disk drive icons graphically represent five disk drive options
1. Hard disk
2. CD-ROM/DVD Drive
3. Pen drive
4. Other removable storage such as mobile, smart phone, tablet etc.,
5. Network drives if your system is connected with other system.