Noun
term [pl. terms]
terminology {lang.}
convention [pl. conventions]
expression [pl. expressions]
code {comm.}
اصطلاح {اتصالات}
idiom {lang.}
custom [pl. customs]
tradition [pl. traditions]
conventionality {phil.}
اِصْطِلاح {فلسفة}
expressions Pl., {lang.}
nomenclature {lang.}