“韩字” refers to the Korean writing system known as Hangul. Developed in the 15th century by King Sejong the Great and his scholars, Hangul was created to improve literacy among common people. It consists of 14 basic consonants and 10 basic vowels, which can be combined to form syllables. The term “韩字” can also refer to Chinese characters used in Korea, known as Hanja. While Hangul is the primary writing system today, Hanja was historically used in official documents and literature. Understanding both systems provides insight into the rich linguistic history of Korea.