Meaning – The term menu bar, refers to the area near the top of a window, below the title bar, and above the rest of the window, that contains choices that provide access to other menus.
In the AIX operating system, a rectangular area at the top of the client area of a window contains the titles of the standard pull-down menus for that application.
The menu bar provides the user with a place in a window to find the majority of a program’s essential functions. These functions include opening and closing files, editing text, and quitting the program.
Although menu bars are usually present in most GUIs, they may differ depending on the operating system you’re using.