| Subject | English | Italian |
| commun., IT | character code | codice di carattere |
| comp., MS | character code | codice carattere (A numeric value that corresponds to a particular character in a set) |
| IT, tech. | code extension character | carattere di conversione |
| IT, tech. | code extension character | carattere di cambio codice |
| comp., MS | four character code | Four Character Code (A 32-bit unsigned integer that is created by concatenating four ASCII characters to identify a data format) |