the information and skills that one has acquired through education or experience.

contextual knowledge about a particular situation or subject.

किसी विशेष स्थिति या विषय के बारे में संदर्भ ज्ञान।

English Usage: Having background knowledge on the topic helped him in the discussion.

Hindi Usage: उस विषय पर जानकारी होने से उसे चर्चा में मदद मिली।