the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.)
"communications is his major field of study"
plural of communication
"The university hired a new professor to teach communications, focusing heavily on how radio waves transmit data across vast distances."
Telecommunications, the science and technology of communicating, especially by electronic means.
In plain English: Communications is the act of sharing information or ideas with other people.
"The new communications system allows us to send messages instantly across the country."
Usage: In everyday usage, communications refers to the act or process of exchanging information rather than the underlying technology itself. Use it to describe conversations, messages, or the general flow of news between people or organizations.
Derived from the Latin communicatio, this term originally meant the act of sharing or making common, stemming from communicare to share in common. It evolved through French into English to denote the transmission of information between people or places.