Question

what do you mean by title bar​

Answer 1

a horizontal bar at the top of a window, bearing the name of the program and typically the name of the currently active document.

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Answer 2

A title bar is a small strip that extends across the top of a window. It displays the title of the window and typically includes the close, minimize, and maximize buttons. In macOS, these buttons are on the left side of the title bar, while in Windows, they are on the right. Some title bars contain tabs, while others have tabs below them.

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