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Code word (communication) In communication, a code word is an element of a standardized code or protocol. Each code word is assembled in accordance with the specific rules of the code and assigned a unique meaning. Code words are typically used for reasons of reliability, clarity, brevity, or secrecy.
March 2023 edition cover page of the Multi-Service Brevity Codes. Multiservice tactical brevity codes are codes used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words. American/NATO codes. This is a list of American standardized brevity code words. The ...
See media help. The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet. Technically a radiotelephonic spelling alphabet, it goes by various names, including ...
The Allied military phonetic spelling alphabets prescribed the words that are used to represent each letter of the alphabet, when spelling other words out loud, letter-by-letter, and how the spelling words should be pronounced for use by the Allies of World War II. They are not a "phonetic alphabet" in the sense in which that term is used in ...
The codes were changed from time to time to reflect current needs. By 1922 most railways in the country had agreed on standard code words, although the GWR had an extended list of codes that could only be used within its own network. In 1943 all railways were brought into a single system of codes and the GWR special codes were discontinued.
The first letter of the color code is matched by order of increasing magnitude. The electronic color codes, in order, are: 0 = Black; 1 = Brown; 2 = Red; 3 = Orange; 4 = Yellow; 5 = Green; 6 = Blue; 7 = Violet; 8 = Gray; 9 = White; Easy to remember. A mnemonic which includes color name(s) generally reduces the chances of confusing black and brown.
Morse code. Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3] [4] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy .
This table lists all two-letter codes (set 1), one per language for ISO 639 macrolanguage , and some of the three-letter codes of the other sets, formerly parts 2 and 3. Language formed from English and Vanuatuan languages, with some French influence. Modern Hebrew. Code changed in 1989 from original ISO 639:1988, iw. [3]
Commercial code (communications) In telecommunication, a commercial code is a code once used to save on cablegram costs. [1] Telegraph (and telex) charged per word sent, so companies which sent large volumes of telegrams developed codes to save money on tolls. Elaborate commercial codes which encoded complete phrases into single words were ...
Code word, an element of a codebook designed so that the meaning of the code word is opaque without the code book. Code name, a clandestine name or cryptonym used to identify sensitive information. password, passcode, codeword, countersign; a word that is a special code for access, to pass a challenge of a sentry.