(EXPERIENCE) [noun] - your family and your experience of education, living conditions, wealth, etc.Their marriage will never work - their backgrounds are too different. [C]The school has pupils from many different ethnic/cultural/religious backgrounds. [C]She works with children from deprived/disadvantaged backgrounds. [C]They come from a privileged/wealthy background. [C]Do you have any background in (= experience of) publishing? [U]He has a background in (= experience of) classical music. [C]
BACKGROUND
Meaning of BACKGROUND in English
Cambridge English vocab. Кембриджский английский словарь. 2012