This is the 65th most frequent Korean word.
바
The Korean word "바" can mean "bar," "way," "manner," or "thing," depending on context.
In this sentence, '바' refers to a thing or action that was expected or necessary to perform.
그는 할 바를 다 했다.
He did what he was supposed to do.
Here, '바' is used to indicate 'as,' referring to what someone observed or encountered.
네가 본 바와 같이, 상황이 심각하다.
As you saw, the situation is serious.
In this case, '바' is used to refer to information or knowledge that is known or not known, often reinforcing the speaker's claim.