The large system of connected computers around the world that allows people to share information and communicate with each other

A method of sending and receiving messages by electrical or radio signals, or the special equipment used for this purpose

A signal that uses something from a fire to represent words, used to send messages over long distances

What's the purpose of this ad?

A printed publication (usually issued daily or weekly) consisting of folded unstapled sheets and containing news, articles, advertisements, and correspondence.

A device shaped like a box with a screen that receives electrical signals and changes them into moving images and sound

A piece of paper with a message sent by telegraph

A written, typed, or printed communication, sent in an envelope by post or messenger.

What's the name of this type of ads?

A piece of electronic equipment that can send and receive spoken messages or signals

They are known well for their directions. They were known to find their home, even after traveling long distances. People used to attach small letters to their necks, hoping they would fly to the receiver.

A written message, often containing short forms of words, sent from one mobile phone or pager to another