What is the order in which articles on weather information are explained?

Firstly, the relationship between cloud and weather is introduced from the shape and change of cloud, and it is pointed out that weather can be recognized by cloud. Then it introduces how to identify the weather by the shape and luster of clouds. Finally, the significance and limitations of cloud weather to agricultural production are pointed out. The full text explains things in an orderly way in the order of "total-sub-total" and introduces them in a classified way.