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These sounds were make to understood signals and signs developed by small groups that lived together and
they made noises similar to the sounds they heard in nature. -
The pigeons were transported to a destination in cages, where they would be attached with messages, then naturally the pigeon would fly back to its home where the owner could read their mail.
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Papyrus, from which we get the modern word paper, is a writing material made from the papyrus plant, a reed which grows in the marshy areas around the Nile river.
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In general smoke signals are used to transmit news, signal danger, or gather people to a common area.
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A telegraph is a communications system in which information is transmitted over a wire through a series of electrical current pulses, usually in the form of Morse code.
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Is the telephonic transmission of scanned printed material , normally to a telephone number connected to a printer or other output device.
