هفته
preferred label: week @en
type: Concept
related: ماه (جزء فصل)

ماه (جزء فصل)
related: نیم‌سال
related: هفته
related: سال
related: دوره سه‌ماهه
broader: مدت
preferred label: month @en
type: Concept

نیم‌سال
preferred label: semester @en
type: Concept
related: ماه (جزء فصل)

سال
preferred label: year @en
type: Concept
related: ماه (جزء فصل)

مدت
preferred label: duration @en
type: Concept
narrower: ماه (جزء فصل)

دوره سه‌ماهه
preferred label: trimester @en
type: Concept
related: ماه (جزء فصل)