A cablegram is a telegram sent overseas by means of a submerged wire.
The transmission of messages by computers, telephone, telegram, or television. It involves the exchange of information over significant distances by electronic means and refers to all types of data transmission. It is fundamental in modern communication systems, supporting conversations, internet browsing, video conferencing, and broadcast TV.
A telegram is a message transmitted by telegraphic equipment, which uses coded signals sent over electronic wires. The message is usually delivered within hours via phone or direct delivery. While outdated for general information transfer, telegrams are still used for certain money transfer services.
