coding system

English Thesaurus

1. a system of signals used to represent letters or numbers in transmitting messages (noun.communication)

hypernym	:	writing,
definition	:	letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language (noun.communication)

hyponym	:	code,
definition	:	a coding system used for transmitting messages requiring brevity or secrecy (noun.communication)

hyponym	:	code, computer code,
definition	:	(computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions (noun.communication)