Meaning of COMMUNICATION in English

COMMUNICATION

[noun] [U]Television is an increasingly important means of communication.With an hour's walk to the nearest telephone, communication is not so easy.There's very little communication between mother and daughter (= they do not have a good relationship).(formal) A communication is a message or a letter.We received your communication of 11th March and are sorry to inform you that we won't be attending the conference.(UK) A communication cord (US and ANZ emergency cord) is a chain in a train carriage which a passenger can pull to stop the train if he/she is in trouble.

Cambridge English vocab.      Кембриджский английский словарь.