Media is generally synonymous with radio, television, films, computers and now the space satellites, while as the communication is the idea, the philosophy, the theory, media is the methodology for human communication, the technology.
The western world has been making use of radio, since the first world war.In fact radio was used for propaganda for influencing their own people and for influuencing the other side also. Why the wars were fought, that it was in the interest of the fighting country and that the fighting countries were fighting fora cause it was communicated through the radio.
Similarly television, films, computers and space satellites represent, various intereat groups and cater to various groups.
It is expected that the encyclopedia would meet the increasing need of istitutions of higher learning governmental agencies, general public and the socal welfare agencies. The encyclopedia will be found to be of immense value to university departments of mass media, planning and administrative agencies of the grovenments both at the state as well as the central level.