The topic which is chosen, is Communication, although every one is aware of the word but what is absolute view about the ebid asked is here going to prescribe.

The transfer of information from a source to a receiver. The term "information" applies to facts , opinions , events , wishes, orders , emotions, moods and anything else that can be communicated. 

A traffic signal , a fence or flag hung at half mast each conveys a message , but all such sighs are not intended for a receiver . A Fence may be built simply to keep children from wandering into the street. On the other hand it may mean "no Trespassing".

Early The human used to communicate these things as are Fire, Smoke, as The American indian developed an elaborate system of smoke signals to transmit messages.  for example two columns of smoke indicated the successful return of a war party from the scene