Communication (from Latin commūnicāre, meaning "to share") is the purposeful activity of information exchange between two or more participants in order to convey or receive the intended meanings through a shared system of signs and semiotic rules. The basic mechanism of communication is, the ideas/thoughts of the sender is encoded and transmitted to the receiver through a medium wherein the receiver receives the message and decoded it; to understand the message of the sender.
Communication takes place inside and between three main subject categories: human beings, living organisms in general and communication-enabled devices (for example sensor networks and control systems). Communication in living organisms (studied in the field of biosemiotics) often occurs through visual, auditory, or biochemical means. Human communication is unique for its extensive use of language. Communication has three main components which are Visual communication, Vocal communication and Verbal communication.
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