Hangul is an alphabet. That is, each letter corresponds to what linguists refer to as a phoneme—essentially just an individual sound (a vowel or consonant). This differs from other writing systems, ...

Along with his scholars he developed Hangul –the Korean alphabet which was officially introduced through document “Hunminjeongeum” (훈민정음) in1443. Hunminjeongeum translates as "The Correct Sounds for ...