This is the 15147th most frequent Korean word.
방문했으면
"Had visited" or "If (someone) visited."
Here, '방문했으면' is used in a hypothetical past conditional phrase to express an action that could have occurred.
한국에 방문했으면 많은 문화를 경험했을 거예요.
If you had visited Korea, you would have experienced a lot of culture.
In this sentence, '방문했으면' introduces a past hypothetical situation that didn't occur.
그곳을 방문했으면 그 경치가 정말 아름다웠을 거예요.
If you had visited there, the scenery would have been truly beautiful.
Here, '방문했으면' conveys a hypothetical condition regarding an educational experience.