concern -- (something that interests you because it is important or affects you; "the safety of the ship is the captain's concern")
concern, care, fear -- (an anxious feeling; "care had aged him"; "they hushed it up out of fear of public reaction")
concern -- (a feeling of sympathy for someone or something; "She felt strong concern for those less fortunate")
concern, worry, headache, vexation -- (something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry")
business, concern, business concern, business organization, business organisation -- (a commercial or industrial enterprise and the people who constitute it; "he bought his brother's business"; "a small mom-and-pop business"; "a racially integrated business concern")