Answer in one sentence:

(1)What are icons?
Ans. On the desktop you can see several small pictures with labels. These graphical questions are called icons.
(2)What is a status bar?
Ans.The horizontal bar below the work area is called the status bar.
(3)What is the window desktop?
Ans. Desktop is the control center of window. Desktop has small icons that run certain important programs we frequently use.