This is the 934th most frequent Indonesian word.
kartu
Card.
In this sentence, 'kartu' is used to refer to a decorative card given on the occasion of a birthday to convey wishes.
Saya membeli kartu ulang tahun untuk teman saya.
I bought a birthday card for my friend.
Here, 'kartu' pertains to a credit card, a small plastic card issued by a bank allowing the holder to purchase goods or services.
Dia menggunakan kartu kredit untuk membayar tagihan.
He used a credit card to pay the bill.
In this instance, 'kartu' relates to a playing card, which is part of a deck used in various games.