This is the 9432nd most frequent Korean word.
결제서비스를
"Payment service."
Here, '결제서비스를' is a direct object receiving the action of 'utilize (이용하다)' which explains the service being used by the subject.
결제서비스를 이용하여 쉽게 상품을 구매할 수 있습니다.
You can easily purchase goods by using the payment service.
In this sentence, '결제서비스를' functions as the direct object of the verb 'to provide (제공하다)' which highlights the feature offered by the subject.
그 회사는 편리한 결제서비스를 제공하기로 유명합니다.
That company is famous for offering convenient payment services.
Here, '결제서비스를' is used with the action 'to compare (비교하다)' describing the act of comparing various services by the subject.