Use gestures, semaphores, beacon, such as direct simple visual interactive method to accept each other's information way is the traditional primitive media ...

This kind of media including telephone, record, movies, broadcasting, television, mobile communication, etc. The mass media as used by the general publ ...

The first kind of media
Include letters, painting, text, symbol, prints, and photographs, etc. In this information communication mode, information recipients must depend on visual sense to accept  ...
The third type of media



The second type media