This is the 14039th most frequent Polish word.
powiadomiły
"Powiadomiły" means "they notified" or "they informed" in English.
Here, "powiadomiły" is the perfect past tense of "powiadomić", used for reporting completed informational actions by a third-person plural subject.
Powiadomiły mnie o zmianach w harmonogramie.
They informed me about the changes in the schedule.
In this sentence, "powiadomiły" demonstrates past action in a narrative context, executed by a third-person plural subject.
Kiedy zamknięto szkoły, powiadomiły rodziców o sytuacji.
When the schools were closed, they informed the parents about the situation.
Here, "powiadomiły" conveys the completion of the informing action in its narrative historical usage.