This is the very basic model for communication. Shannon and weaver identified this model in 1949.
SMCR stands for:
Source : Creator of the message or from whom the message is sent.
Message : The actual content or idea for the communication.
Channel : The medium through which communication taking place, so that the message can be conveyed from one place to another.
Receiver : The individual or group or the person who finally receives the message.
SMCR model describes the exchange of information and the model can be applied to all forms of communication.