concern

(noun) something that interests you because it is important or affects you. Example: "The safety of the ship is the captain's concern."

(noun) an anxious feeling. Synonyms: care, fear. Examples: "Care had aged him." "They hushed it up out of fear of public reaction."

(noun) a feeling of sympathy for someone or something. Example: "She felt strong concern for those less fortunate."

(noun) something or someone that causes anxiety; a source of unhappiness. Synonyms: worry, headache, vexation. Examples: "New york traffic is a constant concern." "It's a major worry."

(noun) a commercial or industrial enterprise and the people who constitute it. Synonyms: business, business concern, business organization, business organisation. Examples: "He bought his brother's business." "A small mom-and-pop business." "A racially integrated business concern."

(verb) be relevant to. Synonyms: refer, pertain, relate, come to, bear on, touch, touch on, have-to doe with. Examples: "There were lots of questions referring to her talk." "My remark pertained to your earlier comments."

(verb) be on the mind of. Synonyms: interest, occupy, worry. Example: "I worry about the second germanic consonant shift."