"문자" refers to written characters or symbols used to represent language. In the context of the Korean language, it specifically pertains to the 한글 system, which was created in the 15th century by King Sejong the Great. 한글 consists of 14 basic consonants and 10 basic vowels, allowing for the formation of syllables and words. The use of "문자" is essential for communication, education, and documentation. It enables people to record thoughts, share information, and preserve culture. Written language, including "문자," plays a crucial role in literacy and the development of societies around the world.