قرارداد
type: Concept
narrower: عرف قراردادی
preferred label: agreement @en

عرف قراردادی
type: Concept
alternative label: عادت قراردادی
broader: قرارداد
broader: عرف
preferred label: contractual custom @en
scope note: عرف معاملی

عرف
type: Concept
narrower: عرف قراردادی
preferred label: custom @en