What this article mainly explains is that you can tell the weather by looking at the clouds

This article first explains the relationship between cloud changes and weather, and then explains the relationship between the brilliance phenomenon on clouds and weather.

The first part (1) explains that "clouds are like signs of the weather." You can know the weather by looking at the clouds.

The second part (2-6) introduces in detail the shape and changes of clouds, the relationship between the brilliance phenomenon on clouds and the weather, thus explaining how to understand the weather by looking at clouds.

The third part (7) explains the significance and limitations of looking at the clouds to identify the weather.