This is the 9422nd most frequent Korean word.
결정이라는
"결정이라는" translates to "what is called a decision" or "the act of deciding."
In this sentence, '결정이라는' is used to highlight 'decision' as the defining aspect of the described action.
그의 결정이라는 행동은 모두를 놀라게 했습니다.
His action called 'decision' surprised everyone.
Here, '결정이라는' emphasizes 'decision' as a defining critical aspect being referred to.
그게 인생의 중요한 결정이라는 것을 이해해야 합니다.
You should understand that it is a significant decision in life.
Here, '결정이라는' specifies the choice as being identified or named as 'decision'.