concern

something that interests you because it is important or affects you; "the safety of the ship is the captain's concern"

an anxious feeling; "care had aged him"; "they hushed it up out of fear of public reaction"

a feeling of sympathy for someone or something; "She felt strong concern for those less fortunate"

something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry"

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"

be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments"

be on the mind of; "I worry about the second Germanic consonant shift"