The Ten Gods are the vocabulary of Bazi reading — Friend, Rob Wealth, Eating God, Hurting Officer, Indirect Wealth, Direct Wealth, Seven Killings, Direct Officer, Indirect Resource, Direct Resource. Learn them and you can read the language of a chart.
The vocabulary of chart reading: Friend, Rob Wealth, Eating God, Hurting Officer, and the rest.
Wood, Fire, Earth, Metal, Water — the temperament of each element and how they interact.
Jia through Gui — the character and imagery of the ten stems.
Zi through Hai — animals, hidden stems, months, clashes and harmonies.
Structures from the month branch: how the eight classical forms form, break and get rescued.
The pivot of a chart — three ways to find it, and the compass of favourability.
The chart is the car, luck is the road — pillars, starting ages, transitions and annual timing.