"Poetry Cloud" can also refer to the meaning in The Book of Songs.
"Poetry" generally refers to the Book of Songs (the earliest collection of poems in China); "Cloud" means "speaking" and "yue"!
The word "poem" first appeared in the Warring States period. From the semantic point of view, the original meaning of the word "poem" is "a genre of literature (expressing feelings with rhymes)", especially the Book of Songs in ancient books.
The word "cloud" was first seen in Oracle Bone Inscriptions. The original meaning refers to a large number of water droplets, ice crystals or visible polymers composed of them suspended in the air, and then it has a rich meaning. Later, under the guise of saying equivalence.