This is the 4273rd most frequent Korean word.
청장
"청장" refers to a director or chief of an office or agency.
청장 is used here to denote the 'Chief' (Police Chief).
경찰청장은 범죄 예방에 중요한 역할을 맡고 있습니다.
The Chief of Police plays an important role in crime prevention.
청장 refers to 'general manager', indicating a leadership position.
그는 청장이 되어 많은 변화를 이끌었습니다.
He became a general manager and led many changes.
청장 is used here to indicate 'head' of a specific administrative entity relating to nature conservation.