This episode is about 'The Korean alphabet(한글)'. 이번 에피소드는 한글에 대한 이야기입니다. The key vocabulary I speak about in this episode: 1.세종 대왕 King Sejong the Great 2.조선의 4(네)번 째 왕 the 4th king of the Joseon dynasty 3.입말 spoken language 4.글말 written language 5.한자 Chinese characters 6.양반 refers to a social class in traditional Korean society, commonly known as the royal class 7.언어 language 8.발명되다 to be invented 9.모음 vowel 10. 자음 consonant 감사합니다.