This is the 5441st most frequent Russian word.
периоды
"Periods."
The word 'периоды' is used to represent distinct intervals or phases of time that are characterized by specific activities or conditions.
В течение года бывают периоды отдыха и работы.
Throughout the year, there are periods of rest and work.
The word 'периоды' here refers to historical eras or epochs distinguished by specific characteristics.
На уроке истории мы изучали периоды Средневековья.
In history class, we studied the periods of the Middle Ages.
In this context, 'периоды' signifies specific times within a season when particular events occur.