Elements involved in a communication process

•  Issuer. - Subject to the act of communication occurs.
•  Regarding. - The reality outside the communicative message referred.
• Code. - Signs set, interrelated and construction rules, a layout of transmitter and receiver.
• Message. - Results of the coding, carrier of information or set of information transmitted.
• Canal. - Physical environment by circulating the message.
• Receiver. - Subject that decodes and receives the message.
• Context. - Set of factors and circumstances in which the message is produced and must be known by both the sender and the receiver. 
• Noise. - Unforeseen and unpredictable disturbances that destroy or alter the information. Noise appears in almost all communication processes.
• Redundance. - Unnecessary elements contained in a message and that serve, inter alia, to combat noise.