This is the 18687th most frequent Korean word.
신세계상품권을
"신세계상품권을" refers to a "Shinsegae gift certificate."
Here, '신세계상품권을' is used as the object of the verb '받았습니다' to indicate what was received in the sentence.
저는 신세계상품권을 선물로 받았습니다.
I received the Shinsegae gift certificate as a gift.
In this sentence, '신세계상품권을' is used as the object of the verb '주려고' to express the intent to give it to someone.
다음 생일에 신세계상품권을 주려고 계획 중입니다.
I am planning to give the Shinsegae gift certificate for the next birthday.
Here, '신세계상품권을' is used as the object of the verb '사용해서,' meaning that the item was used to purchase something.