The definition of communication is a communication that is audiovisual or by reference. The receiver sends an understandable message to the receiver if this message is acceptable and understood. If the communication is incomprehensible, the receiver asks him to re-introduce the message well and the concept of any reactionary message. In these cases, the future simplifies his message to the future. To him, and if the future does not understand him, he asks for a written message, and this is to change the content of the message in a proper and understandable manner.