If you see 1/1, the teacher chose to display the first slide only.

Lesson description:

It is said that Hangeul(Korean Alphabet) is a phonetic writing that can inscribe almost all sounds with 24 vowels and consonants.The proper pronunciation of each Korean letter has to be based on how you open your lips,providing correct sounds,some letters have a combination of air when you pronounce them and some have a push sound but no air when pronouncing it.