Meaning of background
Definition of background
(noun)
a person's social heritage: previous experience or training; "he is a lawyer with a sports background"
the part of a scene (or picture) that lies behind objects in the foreground; "he posed her against a background of rolling hills"
information that is essential to understanding a situation or problem; "the embassy filled him in on the background of the incident"
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"
relatively unimportant or inconspicuous accompanying situation; "when the rain came he could hear the sound of thunder in the background"
the state of the environment in which a situation exists; "you can't do that in a university setting"