first order language
preferred label: زبان مرتبه اول @fa
type: Concept
narrower: expansion of language

function
preferred label: تابع @fa
type: Concept
related: expansion of language

relation
preferred label: رابطه @fa
type: Concept
related: expansion of language

expansion of language
related: relation
related: function
broader: first order language
preferred label: بسط زبان @fa
type: Concept