Clouds are like signs of weather. Clouds are like signs of weather. What kind of clouds are hanging in the sky, what kind of weather will appear, and what kind of explanation method will be used.
Interpretation of "signboard" in Zhu Yongxi's "Seeing the weather from the clouds": ontology: cloud; Vehicle: signboard. Similarities: Both of them have indication function. But the signboard is more obvious, close to life and easy to understand. Therefore, the signboard is used as a metaphor, which is vivid. The word "signboard" is figurative here. The original meaning refers to the sign hanging in front of the store to indicate the name of the store or the goods sold. As a symbol of the store, it is used here to vividly illustrate the close relationship between clouds and weather. The appearance of clouds is closely related to the change of weather. By observing different forms of clouds in the sky, we can know what kind of weather will be there.