The document discusses the origin and development of the Korean writing system known as Hangul. It outlines that Chinese writing was originally used in Korea under Chinese occupation. In 1444, the Korean alphabet was invented and promulgated in 1446 under various names like Hunmin jeongeum and Eonmeun. While Korean writing was associated with lower status in early periods, a mixed writing system using Hanja and Hangul developed in the 19th-20th centuries. The modern Hangul alphabet contains 24 letters or jamo with graphical shapes representing speech organs, and spaces between words.

1. Hangul

2. Origin Chinese writing in Korea (Chinese ocupation). Different systems for writing: Hyangchal , Gukyeol and Idu . 1444 - Korean alphabet was invented and promulgated in 1446. Different names for the alphabet: Hunmin jeongeum , Eonmeun and Gukmeun . Modern name: Hangul. Korean writing was associated with people of low status. 19th and 20th  Mixed writing system ( Hanja + Hangul ). In the late 1960’s Hanja is reintroduced in schools.

3. Features 24 letters ( jamo ) in the Korean alphabet. The shapes of the the consontants g/k, n, s, m and ng are graphical representations of the speech organs used to pronounce them. The shapes of the vowels are based on three elements. Spaces are placed between words. The sounds of some consonants change. Korean scholars have proposed an alternative method of writing Hangeul . Korean can be written in vertical columns running from top to bottom and right to left, or in horizontal lines running from left to right.

4. Hangeul alphabet

7. How to Write Korean

8. How to compose syllabic units

9. Formation of some vowels and diphthongs