This is the 15th most frequent Korean word.
이번
"This" or "this time."
이번 is used here to refer to the current or this week in context.
이번 주에는 날씨가 맑을 거예요.
This week, the weather will be clear.
이번 emphasizes the current occasion distinct from other times.
이번에는 내가 요리해 볼게요.
This time, I will try cooking.
이번 is used to specify the movie currently being discussed or recently watched.