human action, human activity, act - something that people do or cause to happen

transmission - communication by means of transmitted signals

intercommunication - mutual communication; communication with each other; "they intercepted intercommunication between enemey ships"

medium - an intervening substance through which signals can travel as a means for communication

communication channel, channel, line - (often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms"

mail service, postal service, mail, post - the system whereby messages are transmitted via the post office; "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"

dramatic art, dramaturgy, theater, theatre, dramatics - the art of writing and producing plays

discussion, discourse, treatment - an extended communication (often interactive) dealing with some particular topic; "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"

exhortation - a communication intended to urge or persuade the recipients to take some action

expression - the communication (in speech or writing) of your beliefs or opinions; "expressions of good will"; "he helped me find expression for my ideas"

exam, examination, test - a set of questions or exercises evaluating skill or knowledge; "when the test was stolen the professor had to make a new set of questions"

persuasion, suasion - the act of persuading (or attempting to persuade); communication intended to induce belief or action

touch, contact - a communicative interaction; "the pilot made contact with the base"; "he got in touch with his colleagues"

traffic - the amount of activity over a communication system during a given period of time; "heavy traffic overloaded the trunk lines"; "traffic on the internet is lightest during the night"