Noun

• S: (n) coding system (a system of signals used to represent letters or numbers in transmitting messages)
• direct hyponym / full hyponym
• S: (n) code (a coding system used for transmitting messages requiring brevity or secrecy)
• S: (n) code, computer code ((computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions)
• direct hyponym / full hyponym
• domain category
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• direct hypernym / inherited hypernym / sister term