A rectangular portion of the screen used to display information is called a "window." In graphical user interfaces, windows allow users to view and interact with different applications or content simultaneously. They can be resized, minimized, maximized, or closed based on user preferences.
a conic section
Softcopy
A rectangular area on the screen used to display the contents or feedback from a program is typically referred to as a "window." These windows can contain text, graphics, or interactive elements that allow users to interact with the program.
softcopy
Sign
A display device is an output device for presentation of information for visual, tactile or auditive reception, acquired, stored, or transmitted in various forms. When the input information is supplied as an electrical signal, the display is called electronic display. Electronic displays are available for presentation of visual, tactile and auditive information.
A first view of any thing is called display,
In geometry, a rectangular solid is called a rectangular solid. A cube is a rectangular solid that happens to have all surfaces equal.
Labels on food products that display what nutrients the food contains are called nutritional facts labels or nutrition information panels.
A rectangular prism?
A flat map that represents a portion of the round earth is called a "map projection". Map projections are used to display the three-dimensional earth on a two-dimensional surface, like a paper map.
One name for it is a cuboid or a rectangular prism. See the related link for more information.