This is the 2664th most frequent Korean word.
손에
"손에" means "on the hand" or "in the hand."
In this sentence, '손에' denotes possession, specifically holding something within one's hand.
손에 쥔 펜으로 메모를 해보세요.
Try taking notes with the pen you hold in your hand.
Here, '손에' is used metaphorically to indicate acquiring or possessing something.
세상의 모든 것을 손에 넣고 싶어하는 사람들도 있습니다.
There are people who wish to obtain everything under the sun.
In this context, '손에' refers to physically holding or carrying an object in one's hand.