This is the 12609th most frequent Korean word.
대외경제안보전략회의에서
"At the National Strategy Meeting on Foreign Economic Security."
In this sentence, '대외경제안보전략회의에서' is the locative phrase indicating the setting where the discussion happened.
대외경제안보전략회의에서 새로운 규제가 논의되었습니다.
At the foreign economic security strategy meeting, new regulations were discussed.
Here, '대외경제안보전략회의에서' is again a locative phrase specifying the location of the action of presenting ideas.
그는 대외경제안보전략회의에서 자신의 아이디어를 발표하였습니다.
He presented his ideas at the foreign economic security strategy meeting.
In this instance, '대외경제안보전략회의에서' indicates the origin of the decisions mentioned.