This is the 453rd most frequent Korean word.
내에
"내에" means "within" or "inside" in English, often indicating a time or spatial boundary.
Here '내에' indicates a timeframe within which an event occurred, specifically 'within' a week's period.
모든 일이 일주일 내에 해결되었습니다.
Everything was resolved within a week.
In this sentence, '내에' specifies a physical boundary, signifying 'inside' the school premises.
학교 내에 도서관과 체육관이 있습니다.
There is a library and a gym within the school.
Here '내에' denotes inclusion within a conceptual framework, 'within' the company policies.