If you are referring to the title at the top of the window it is called a "Title Bar"
Title Bar
drag the window to a new position on the desktop
drag the window to a new position on the desktop
Meow
Name Box
The document window typically shows the file name of the active document, allowing users to identify which file they are currently working on. This is often located at the top of the window, in the title bar. Additionally, it may include other information, such as the application name or the status of the document (e.g., "unsaved changes"). This feature helps users manage multiple documents efficiently.
The area located at the top of an open window is called the title bar. It typically displays the name of the program being used, as well as the name of the currently opened document. The title bar is an essential part of a software application's user interface, allowing users to quickly identify which file they are working on. Additionally, it often includes controls for minimizing, maximizing, or closing the window.
Title Bar.
When you first start Notepad, the title bar typically displays "Untitled" as the file name. This indicates that you are working on a new, unsaved document. If you save the file, the title bar will change to reflect the name you choose for the saved document.
what part of the window shows the name you opened
File.
name box