This is the 180th most frequent Russian word.
рассказала
"Told" (feminine, past tense).
Here, 'рассказала' is used in the past tense, representing a completed action in which someone told or narrated something specific to another person.
Она рассказала мне интересную историю.
She told me an interesting story.
In this sentence, 'рассказала' is used to describe a past event where a recount or narration happened, here from a parent to children.
Мама рассказала детям о своей молодости.
Mom talked to the children about her youth.
In this context, 'рассказала' is employed to depict an informative action performed by the teacher, communicating educational content.