noun the part of a scene (or picture) that lies behind objects in the foreground
Synonymsground
noun information that is essential to understanding a situation or problem
Synonymsbackground knowledge
noun extraneous signals that can be confused with the phenomenon to be observed or measured
Synonymsbackground signal
noun (computer science) the area of the screen in graphical user interfaces against which icons and windows appear
Source: WordNet 3.1, Princeton University
