Meaning of “concerning” - Learner’s Dictionary

concerning

preposition us uk /kənˈsɜːnɪŋ/
Extra Examples
I would like to talk to you concerning a small matter.I asked him a question concerning our pensions.He said he wished to talk to me concerning his hours of work.I received a letter this morning concerning the planning permission.He'd brought in a newspaper article concerning the development of the area.

B2 about something:

I've had a letter concerning my tax payments.

(Definition of “concerning” from the Cambridge Learner’s Dictionary © Cambridge University Press)