More advanced postal systems later appeared in the Islamic and the during the. This allowed for and for Rome to gather knowledge about events in its many widespread provinces. This was due to the also devising what might be described as a or postal system, in order to centralize control of the empire from. Mass Communication for CBSE (UGC) -NET: Comprehensive, point-wise and updated study material and exam notes. The word communication is derived from the root communicare. The (, VIII) makes mention of this system:, king of Medes, used couriers for communicating his decisions. The role of the system as an apparatus is well documented, and the service was (later) called angariae, a term that in time turned to indicate a.
It has the first real mail or, which is said to have been developed by the Persian emperor (c. The (centred on present-day ) played an important role in the field of communication.
Not or gestures, dates back to ancient, drawn, and. Origin and definition The term 'medium' (the singular form of 'media') is defined as 'one of the means or channels of general communication in society, as newspapers, radio, television etc.' The beginning of human communication through designed channels, i.e.
