man to man communication
Communication between communication partners can refer to humans and machines or computers. Thus, people can communicate with people, as in human-to-human communication, people can communicate with machines, as in human-to-machine communication, or machines can communicate with each other without human involvement, as in machine-to-machine communication.
As for human-to-human communication, it is direct and personal. It can take place face-to-face, without technical facilities, but it can equally take place via technical facilities such as telephones and telephone networks, cell phones and cell phone networks. Human-to-human communication can be voice communication, but equally text or video communication. In addition to the communication options mentioned, people can also communicate with each other via gestures and facial expressions.
However, the possibilities are extremely limited compared to speech communication, which can be much more accentuated through stresses and expressions. As far as text communication is concerned, personal text information can be exchanged in short message service( SMS) or by e-mail. Video telephony is suitable for visual messages.