コード

Etymology 1
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Noun

 * 1) code system of principles, rules or regulations
 * 2) A short symbol.
 * 3) code set of rules for converting information
 * 4)  code instructions for a computer

Etymology 2
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Noun

 * 1)  cord wires surrounded by a coating, used to supply electricity

Etymology 3
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Noun

 * 1)  chord combination of three or more notes