communication
/kəˌmjuːnəˈkeɪʃən/
noun
plural -tions
[noncount] :the act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc., to someone else
[count] formal :a message that is given to someone :a letter, telephone call, etc. - usually singular
communications [noncount]
the ways of sending information to people by using technology
the study of how information is sent to people by using technology