Encoding Encoding Illegal immigration Category="Disambiguation"The word encoding has a number of meanings.

A Character encoding is a code that pairs a set of natural language characters (such as an alphabet or syllabary) with a set of something else, such as numbers or electrical pulses.
Text encoding uses a Markup language to tag the structure and other features of a text to facilitate processing by computers. (See also Text Encoding Initiative.)
A Semantics encoding of formal language A in formal language B is a method of representing all terms (e.g. programs or descriptions) of language A using language B.
Encoding transforms a signal into a form optimized for transmission or storage.

Encoding is different from Encryption in the sense that encoding does not need a key (or a salt), while encryption does need it.

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