This is the 249th most frequent Hebrew word.
סיפר
Told or recounted.
In this sentence, 'סיפר' (siper) is the verb meaning 'told' or 'narrated', understood as the act of delivering a story or information orally.
הוא סיפר סיפור מצחיק למכרים שלו.
He told a funny story to his acquaintances.
Here, 'סיפרה' (sifra) is the feminine past tense form of 'סיפר', indicating that 'she narrated' or informed past information to someone specific.
היא סיפרה לי את זה אתמול.
She told me that yesterday.
In this context, 'סיפרו' (sipru) as the plural past tense form of 'סיפר' is used, signifying that the children shared or discussed their experiences.