The original meaning of the signboard refers to the sign hung in front of the store as a sign. The "signboard" here is an image metaphor, comparing the clouds to the "signboard" of the weather. People can infer what the weather will be like in the future through various changes in clouds. So clouds are like the ‘signature’ of the weather. (The method of metaphorical explanation is called metaphor)

The explanation of "signboard" in Zhu Yongyi's article "Looking at the Clouds to Know the Weather": ontology: cloud; metaphor: signboard. Similarities: Both have indicative functions. However, the signboard is more obvious and close to life, making it easy for people to understand. Therefore, using a signboard as a metaphor is vivid and vivid. The word "signboard" uses a metaphorical rhetorical device here. Its original meaning refers to a sign hanging in front of a store with the name of the store or the goods for sale. As a sign of the store, it is used here to vividly illustrate the clouds and weather. close relationship. The meaning of this sentence is that the appearance of clouds is closely related to changes in weather. By observing different forms of clouds in the sky, you can know what kind of weather there will be.

Extended information:

Key words: "signboard"

Synonyms: trademark

Definition: Trademark is used to distinguish an operator brands or services and marks of other operators’ goods or services. my country's Trademark Law stipulates that for trademarks approved and registered by the Trademark Office, including commodity trademarks, service marks, collective trademarks, and certification marks, the trademark registrant enjoys exclusive rights to the trademark and is protected by law. If it is a well-known trademark, he will obtain a cross-category trademark. Legal protection of exclusive rights.

Origins: The origins of trademarks date back to ancient times, when craftsmen imprinted their signatures or "marks" on their works of art or utilitarian products. Today these marks have evolved into the trademark registration and protection system that is common in the world today.