Morse code

[Sarah]

The telegraphic code, consisting of dots, dashes, and spaces,invented by Samuel B. Morse. The Alphabetic code which is in use inNorth America is given below. In length, or duration, one dash istheoretically equal to three dots; the space between the elements ofa letter is equal to one dot; the interval in spaced letters, as O .., is equal to three dots. There are no spaces in any letter composedwholly or in part of dashes.

[Vania]

a system used for sending messages, in which letters and numbers are represented by short and long marks, sounds, or flashes of light