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The pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) [2] [3] is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid. The example key shows one way the letters can be assigned to the grid.
Caesar cipher. The action of a Caesar cipher is to replace each plaintext letter with a different one a fixed number of places down the alphabet. The cipher illustrated here uses a left shift of 3, so that (for example) each occurrence of E in the plaintext becomes B in the ciphertext. In cryptography, a Caesar cipher, also known as Caesar's ...
Logo is the first coding language the author learned. Logo was designed as an educational way to learn how to use code. The general idea was that a student could move a turtle through puzzles by using the code. A lot of other coding languages like Scratch have based some ideas like "pen down" and "pen up" off of Logo. Binary
X. Y. Z. The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted using a series of tap sounds, hence its name. [1] The tap code has been commonly used by prisoners to communicate with each other. The method of communicating is usually by tapping ...
The Enigma machine was used commercially from the early 1920s and was adopted by the militaries and governments of various countries—most famously, Nazi Germany. Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that had ...
e. In linguistics, code-switching or language alternation occurs when a speaker alternates between two or more languages, or language varieties, in the context of a single conversation or situation. Code-switching is different from plurilingualism in that plurilingualism refers to the ability of an individual to use multiple languages, [1 ...
Chakobsa. Chakobsa is a Northwest Caucasian language, possibly in the Circassian subgroup. According to linguist John Colarusso, Chakobsa is also known as shikwoshir or the 'hunting language' and was originally a secret language used only by the princes and nobles, and is still used by their descendants. An informant of Colarusso has asserted ...
Cant (language) A cant is the jargon or language of a group, often employed to exclude or mislead people outside the group. [1] It may also be called a cryptolect, argot, pseudo-language, anti-language or secret language. Each term differs slightly in meaning; their uses are inconsistent. Richard Rorty defines cant by saying that "'Cant', in ...