a note delivered by a submarine telegraphic cable
- a telegram sent overseas
- A message sent by a submarine telegraphic cable.
Telegraphy could be the long-distance transmission of written emails without actual transport of letters. It's a compound term formed from Greek terms far and compose. Radiotelegraphy or wireless telegraphy transmits communications using radio.
an email transmitted by undersea cable. The message is submitted the form of electric impulses which will be then became information. This was the major mode of interaction until the introduction for the invention associated with phone and consequently, the Internet.