In computing, a window is a graphical control element. It is a rectangle on the screen through which the user can see and interact with the operating system and applications.

There are different types of windows in a computer. The following are the most common:

The primary window is the top-level window that is open when an application starts. It is usually the window that contains the menu bar, the toolbar, and the application’s main working area.

A dialog box is a small window that typically contains a message or a question and contains one or more buttons that the …