This is the 76th most frequent Korean word.
대표는
"대표는" means "the representative is" or "as for the representative."
In this sentence, '대표는' indicates that the representative is the subject who initiated the meeting.
대표는 회의를 시작했습니다.
The representative started the meeting.
'대표는' is used here as the subject specifying Mr. Kim as the representative of the company.
우리 회사의 대표는 김 씨입니다.
The representative of our company is Mr. Kim.
Here, '대표는' serves to highlight the role and responsibility of the representative in regards to explaining the strategy.