Meaning of “communication” - Learner’s Dictionary

communication

noun us uk /kəˌmjuːnɪˈkeɪʃən/
COMMUNICATING [ U ]

B1 the act of communicating with other people:

The school is improving communication between teachers and parents.
We are in direct communication with Moscow.

More examples

MESSAGE [ C ] formal

a message sent to someone by letter, email, telephone, etc

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