This is the 7071st most frequent Korean word.
정상회의에
"정상회의에" means "at the summit meeting" or "in the summit conference".
The term '정상회의에' here means 'at the summit', indicating participation in a diplomatic conference.
지난주 정상회의에 참석했던 대표자가 중요한 결정을 발표했습니다.
The representative who attended the summit last week announced an important decision.
'정상회의에' pertains to the summit as the location where discussions or events occur.
그 정상회의에서 환경 문제에 대한 논의가 이루어졌습니다.
At that summit, discussions about environmental issues took place.
Here, '정상회의에' refers to the summit as the event during which certain actions or topics were highlighted.