This is the 8525th most frequent Korean word.
高
In Korean, "高" (고) means "high," "tall," or "elevated."
The word '고'(높은 in the sentence context) is used to indicate a high state or elevation, describing the mountain.
높은 산이 멀리 보입니다.
A tall mountain is seen in the distance.
The word '고'(높습니다 in the sentence context) is used to describe a high level of someone's qualifications or achievements.
그녀는 학력이 매우 높습니다.
She has a very high level of education.
The word '고'(고도로 in the sentence context) is used in the phrase '고도로' to signify a high degree or intense extent of preservation.