background -
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"
crt screen,
screen a protective covering consisting of netting; can be mounted in a frame; "they put screens in the windows for protection against insects"; "a metal screen protected the observers"
background -
information that is essential to understanding a situation or problem; "the embassy filled him in on the background of the incident"
information (communication theory) a numerical measure of the uncertainty of an outcome; "the signal contained thousands of bits of information"
background -
relatively unimportant or inconspicuous accompanying situation; "when the rain came he could hear the sound of thunder in the background"
concomitant,
co-occurrence,
attendant,
accompaniment a person who is present and participates in a meeting; "he was a regular attender at department meetings"; "the gathering satisfied both organizers and attendees"
background -
a person's social heritage: previous experience or training; "he is a lawyer with a sports background"
background -
the part of a scene (or picture) that lies behind objects in the foreground; "he posed her against a background of rolling hills"
foreground,
highlight,
play up,
spotlight move into the foreground to make more visible or prominent; "The introduction highlighted the speaker's distinguished career in linguistics"