Basic content that must be understood to learn the Wen Wang Gua

1. Five Elements

    1.2. The generation and restriction cycle of the Five Elements

2. Twelve Earthly Branches

    2.1. The Images of the Earthly Branches as in Direction and Space

    2.2. The Images of the Earthly Branches as in Time, including Yearly, Monthly, Daily

3. The relationship between the Five Elements and The Earthly Branches

    3.1 The Six Combination (Liu-He)

    3.2 The Three Combinations (San-He)

    3.3 The Six Clashes (Liu-Chong)

    3.4 The Advancing and Retreating (Jin-Shen, Tui-Shen)

4. The Twelve Phases of the Five Elements

    4.1. The Birth Phases of the Four Elements

    4.2. The Blossoming Phases of the Four Elements

    4.3. The Grave Phases of the Four Elements

    4.4. The Extinct Phases of the Four Elements

5. The Eight Trigrams and the Lines

    5.1. The Images of the Eight Trigram as in Number of sequences

    5.2. The Images of the Eight Trigram as in the Five Elements, Direction, Six-Kins

6. The Six-Kins

A. The Images of The Eight Trigram as in I Ching

B. The Name of the Hexagrams

C. The Pure Hexagram

D. Throwing Coins and Draw the Hexagram

E. Heavenly Stems

The essentials required to comprehend for reading WWG are points 1 through 6. Whereas A through E only necessitate an awareness of their existence.