BACKGROUND

n. 1 part of a scene, picture, or description, that serves as a setting to the chief figures or objects and foreground. 2 an inconspicuous or obscure position (kept in the background). 3 a person's education, knowledge, or social circumstances. 4 explanatory or contributory information or circumstances. 5 Physics low-intensity ambient radiation from radioisotopes present in the natural environment. 6 Electronics unwanted signals, such as noise in the reception or recording of sound. background music music intended as an unobtrusive accompaniment to some activity, or to provide atmosphere in a film etc.