"유" is a Korean character that represents the sound "yu." It is part of the Korean writing system known as Hangul, which was created in the 15th century by King Sejong the Great. The character "유" can be used in various words and phrases, contributing to the rich phonetic structure of the Korean language. In addition to its phonetic use, "유" can also mean "to have" or "to exist" in certain contexts. This makes it a versatile character in the Korean language, appearing in many common expressions and vocabulary. Understanding "유" is essential for anyone learning Korean.