This is the 14412th most frequent German word.
kaufte
"Bought" (simple past of "kaufen," meaning "to buy").
Here, 'kaufte' is used in the past tense to describe a completed action of buying.
Er kaufte ein Buch.
He bought a book.
In this sentence, 'kaufte' indicates the purchase of flowers as a past action with clear purpose and recipient.
Sie kaufte Blumen für ihre Mutter.
She bought flowers for her mother.
Here, 'kaufte' demonstrates a specific past act related to an event or occasion.