U+C544 "아" Hangul Syllable A Unicode Character

U+C544 "아" Hangul Syllable A is a fundamental and highly frequent vowel syllable in the Korean writing system known as Hangul. It is composed of the initial consonant placeholder ㅇ (ieung) and the vowel ㅏ (a), and its phonetic value in standard Korean is the open back unrounded vowel /a/. This character appears in numerous essential Korean words, including 아이 (ai, meaning child), 아기 (agi, meaning baby), and 아버지 (abeoji, meaning father), and it is often used as a standalone exclamation or interjection in speech. As a core building block of the Korean language, the syllable 아 is one of the first characters learned by students of Korean and represents the simplest vowel sound in the alphabet.