the ground or parts, as of a scene, situated in the rear (opposed to foreground).
Fine Arts. the part of a painted or carved surface against which represented objects and forms are perceived or depicted: a portrait against a purple background. the part of an image represented as being at maximum distance from the frontal plane.
one's origin, education, experience, etc., in relation to one's present character, status, etc.
the social, historical, and other antecedents or causes of an event or condition: the background of the war.
the complex of physical, cultural, and psychological factors that serves as the environment of an event or experience; the set of conditions against which an occurrence is perceived.