1. Desktop is a term commonly used to describe a desktop computer.
2. In reference to software, desktop refers to the desktop environment, which is a Graphical User Interface metaphor that facilitates interaction between the user and the operating system.
3. When referring to an operating system or GUI, the Desktop is a system of organization of icons on a screen. The Microsoft Windows Desktop was first introduced with Microsoft Windows 95 and has been included with every version of Windows that followed. The following image is a basic example of the Microsoft Windows Desktop.