background definition
background
(someone’s previous work, education, family, etc.): I don’t know anything about her background.
(information that helps to understand a situation or a problem): Let me give you a brief background on the subject.
(the view behind the main things or people in a picture): The photo shows a snowcapped mountain in the background.
(other sounds that you hear while you are listening to something): There was soft music playing in the background. I can’t hear you with that noise in the background.
(out of the main point of attention): I don’t like to be in the center of attention; that’s why I often stay in the background.
(in a position that is not visible): While I was installing software, Windows Update was running in the background.
background definition, envocabulary.com