Code

Hawkins' Electrical Dictionary · 1915 · p. 3
—A system or arbitrary arrangement of signals for effecting communications at a distance. The codification may simply be for the sake of brevity, or as a means of secrecy, the latter constituting a cipher code. Specific examples are: 1. Signal Flags; the representation of short phe, names, common words, syllables or letters y means of arrangements of different colored flags or single flags. This constitutes the Universal Maritime Code, which bears the same meaning in all languages. For naval use, each navy has its private code, wherein flags denote numerals, and the combinations of numerals correspond to words, phrases, or orders, arranged in series in a book. 2. Dot and Dash; alphabetic signaling, similar to that of Morse used in telegraphy, whereby signals are made over long distances, by waving of small flags, by colored lights, heliograph or similar means. 3. Telegraphic; a system of words, a maximum of ten letters being permitted, which represents other words, phrases, or numbers, to secure brevity and secrecy. As an instance, by using words as numbers, a code me age of 141 ten letter words has been expanded to 70 pages of typewritten foolscap.
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