[n] scenery hung at back of stage
[n] (computer science) the area of the screen in graphical user interfaces against which icons and windows appear
[n] a person's social heritage: previous experience or training; "he is a lawyer with a sports background"
[n] information that is essential to understanding a situation or problem; "the embassy filled him in on the background of the incident"
[n] the part of a scene (or picture) that lies behind objects in the foreground; "he posed her against a background of rolling hills"
[n] relatively unimportant or inconspicuous accompanying situation; "when the rain came he could hear the sound of thunder in the background"
[n] extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one another over the background signals"
[n] the state of the environment in which a situation exists; "you can't do that in a university setting"
[v] understate the importance or quality of; "he played down his royal ancestry"
backcloth, backdrop, background knowledge, background signal, desktop, downplay, ground, play down, scope, screen background, setting