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

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

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

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