This is the 17394th most frequent Polish word.
zapłaciła
"Zapłaciła" means "she paid."
'Zapłaciła' is used here as a perfective verb to indicate that the action of paying for the dinner has been completed in the past.
Maria zapłaciła za obiad w restauracji.
Maria paid for dinner at the restaurant.
'Zapłaciła' is used to show the definite and completed transaction for the concert ticket.
Za bilet na koncert zapłaciła dwadzieścia złotych.
She paid twenty złoty for the concert ticket.
'Zapłaciła' in this sentence expresses a specific financial action undertaken in the past.