This is the 223rd most frequent Korean word.
선거
Election.
Here, '선거' is used to indicate the concept of elections as a general idea.
선거는 민주주의의 중요한 부분입니다.
Elections are an important part of democracy.
In this case, '선거' refers specifically to the election event that has recently occurred.
이번 선거에서 새로운 시장이 선출되었습니다.
A new mayor was elected in this election.
Here, '선거' is used to specify a future election event, indicating its role in the planning context.