This is the 8486th most frequent Korean word.
前
The Korean word "前" means "before" or "front."
In this sentence, '전' is used as a temporal adverb meaning 'before', referring to the time preceding the event of receiving the call.
내가 전화를 받기 전에는 알지 못했어요.
I didn't know before I received the call.
Here, '전' appears as part of '앞에', meaning 'in front of', indicating a spatial relation.
그 집은 학교 앞에 있어요.
The house is in front of the school.
In this sentence, '전쟁' means 'war', showcasing '전' as a root in a compound noun referring to 'war'.