2. "Two Trees" are typical trees and their images.
3. "Three clean-ups" means cleaning up woodpiles, dung piles and garbage dumps.
4. "Four reforms" means "improving water, stoves, toilets and pens".
5. "Five beauties" means "environmental beauty, courtyard beauty, bedroom beauty, appearance beauty and soul beauty", "bedroom beautification, courtyard greening, front and back purification, knowledge of family members and scientific lifestyle".
6. "Six advances" means that civilization enters the beauty of every family, the legal system enters the safety of every family, culture enters the happiness of every family, science enters the prosperity of every family, virtue enters the harmony of every family, and environmental protection enters the benefits of every family.