تناوب
type: Concept
broader: زمان
preferred label: periodicity @en
related: نوسانات
related: زمان
related: فصل‌ها

زمان
type: Concept
narrower: تناوب
preferred label: time @en
related: تناوب

فصل‌ها
type: Concept
preferred label: seasons @en
related: تناوب

نوسانات
type: Concept
preferred label: fluctuations @en
related: تناوب