verb be relevant to.
— synonyms: refer, pertain, relate, come_to, bear_on, touch, touch_on, have_to_do_with
verb be on the mind of.
— synonyms: interest, occupy, worry
noun something that interests you because it is important or affects you.
noun an anxious feeling.
— synonyms: care, fear
noun a feeling of sympathy for someone or something.
noun something or someone that causes anxiety.
— synonyms: worry, headache, vexation
noun a commercial or industrial enterprise and the people who constitute it.
— synonyms: business, business_concern, business_organization, business_organisation
Examples
“Judy's eyes filled with concern as she listened to the news report.”
“The employees’ attitude is really hurting the concern.”
“A good prince concerns himself in the happiness of his subjects.”