This is the 3369th most frequent Turkish word.
kartları
"Cards" (plural form).
Here, 'kartları' is the plural object form referring to 'cards', used as the direct object of the sentence.
Üzerinde farklı desenler olan kartları masaya yaydı.
He spread out the cards with different designs onto the table.
In this sentence, 'kartları' refers to playing cards, once again in the object form indicating what is being played.
Kartları oynarken dikkatli olmayı unutma.
Do not forget to be cautious while playing the cards.
The word 'kartları' here represents the cards being collected, serving as the object of the action.