communication

the act or process of communicating; fact of being communicated.

the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs.

something imparted, interchanged, or transmitted.

a document or message imparting news, views, information, etc.

passage, or an opportunity or means of passage, between places.

communications,

1. means of sending messages, orders, etc., including telephone, telegraph, radio, and television.

2. routes and transportation for moving troops and supplies from a base to an area of operations.

Biology.

1. activity by one organism that changes or has the potential to change the behavior of other organisms.

2. transfer of information from one cell or molecule to another, as by chemical or electrical signals.

the act or an instance of communicating; the imparting or exchange of information, ideas, or feelings

something communicated, such as a message, letter, or telephone call

1. (usually plural; sometimes functioning as singular) the study of ways in which human beings communicate, including speech, gesture, telecommunication systems, publishing and broadcasting media, etc

2. ( as modifier )

   communication theory

a connecting route, passage, or link

(plural) military the system of routes and facilities by which forces, supplies, etc, are moved up to or within an area of operations