Ⅰ.
Korean spelling explanation
Chapter 1 General Provisions
Chapter 2: Mother and Child
Chapter 3: About Sound
Section 1: The sound of a melody
Section 2 Palatalization
Section 3: The final consonant 'ㄷ'
Section 4 Collection
Section 5: Initial Sound Law
Section 6: Overlapping sounds
Chapter 4: Concerning Form
Section 1 Nouns and Particles
Section 2 Stems and Suffixes
Section 3 Words formed by adding suffixes
Section 4 Compound words and words with prefixes
Section 5 Abbreviations
Chapter 5 Spacing
Section 1 Investigation
Section 2 Dependent nouns, nouns indicating units, and enumerative words, etc.
Section 3 Auxiliary Verbs
Section 4 Proper Nouns and Technical Terms
Chapter 6 Other Matters

Ⅱ.
Explanation of Standard Language Regulations
Part 1: Principles of Standard Language
Chapter 1 General Provisions
Chapter 2 Standard Language Regulations According to Pronunciation Changes
Section 1 Consonants
Section 2 Collection
Section 3 Abbreviations
Section 4 Singular Standard Language
Section 5 Multiple Standard Languages
Chapter 3: Standard Language Regulations Based on Changes in Vocabulary Selection
Section 1 Gore
Section 2 Chinese characters
Section 3 Dialects
Section 4 Singular Standard Language
Section 5 Multiple Standard Languages

Part 2 Standard Pronunciation
Chapter 1 General Provisions
Chapter 2 Consonants and Vowels
Chapter 3: The length of a note
Chapter 4 Pronunciation of Final Consonants
Chapter 5: Sound Fairy Tales
Chapter 6: Softening
Chapter 7 Addition of Sound