This is the 15791st most frequent Korean word.
본부장이
"본부장이" means "head of headquarters" or "chief/director of the main office."
In this sentence, '본부장' ('head of the headquarters') is the subject performing the action of entering the meeting room.
본부장은 회의실로 급히 들어갔다.
The head of the headquarters quickly entered the meeting room.
Here, '본부장' ('head of the headquarters') is the subject performing the act of informing the staff.
본부장은 직원들에게 회의를 알렸다.
The head of the headquarters informed the staff about the meeting.
In this instance, '본부장' ('head of the headquarters') is the recipient of the action, indicating the target person to whom the issue must be reported.