concern
US /kənˈsɝːn/
UK /kənˈsɝːn/

1.
a matter of interest or importance to someone
:
•
The safety of the children is my main concern.
•
His health is a great concern to his family.
2.
a business or firm
:
•
It's a family concern that has been operating for generations.
•
The new regulations will affect many small concerns.
1.
relate to; be about
:
•
The story concerns a young girl and her dog.
•
This issue concerns everyone in the community.