Fundamentals of Classical Chinese Herbalism: Alchemy, Direction, Stability and Modification

What is meant by herbal alchemy?

What are the meanings of fang? What does the pictograph of this character represent?

Why is it important to never harm the yang qi when prescribing herbal formulas?

How does one create alchemical stability in a formula?

How can patent medicines be combined to create alchemical integrity and stability?