This is the 19480th most frequent Korean word.
약속은
"Promise" or "appointment."
The word '약속은' is used as the subject of the sentence, emphasizing promises as the focus of the importance being discussed.
약속은 지키는 것이 중요합니다.
Keeping promises is important.
Here, '약속은' specifies a particular promise made with a friend, highlighted for its enduring importance.
친구와 한 약속은 절대 잊지 않을게요.
I will never forget the promise I made with my friend.
In this case, '약속은' generalizes promises as a concept, explaining their role in representing mutual trust.