Answer: verbal and nonverbal
In communicating we use two major signal systems. What are they?

An optical communication system is any form of telecommunication that uses light as the transmission medium. Equipment consists of a transmitter which encodes a message into an optical signal a communication channel which carries the signal to its destination and a receiver which reproduces the message from the received optical signal. Fiber-optic communication systems transmit information from one place to another by sending light through an optical fiber. The light forms a carrier signal that is modul…

Communications system - Wikipedia

Communication protocol - Wikipedia

Communications system - Wikipedia

Communication with extraterrestrial intelligence - Wikipedia

Models of communication are conceptual models used to explain the human communication process. The first major model for communication was developed in 1948 by Claude Shannon and published with an introduction by Warren Weaver for Bell Laboratories. Following the basic concept communication is the process of sending and receiving messages or transferring information from …

Voice procedure communications are intended to maximize clarity of spoken communication and reduce errors in the verbal message by use of an accepted nomenclature. It consists of a signalling protocol such as the use of abbreviated codes like the CB radio ten-code Q codes in amateur radio and aviation police codes etc. and jargon.

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