This is the 1273rd most frequent Korean word.
결혼
Marriage.
In this sentence, the word '결혼' is used to denote the concept or institution of marriage itself, abstractly as a significant life decision.
결혼은 인생에서 중요한 결정 중 하나입니다.
Marriage is one of the important decisions in life.
Here, '결혼' refers to the act of getting married, specifically used in the context of a planned event.
그들은 내년에 결혼하기로 계획했습니다.
They have planned to get married next year.
In this context, '결혼' is part of '결혼식,' which refers to the wedding ceremony and occasion of marriage.