Why is Dongfeng red the rhyme of the river's unique search for flowers?

Dongfanghong is not a rhyme, but a description in a poem. Dongfenghong refers to the breath and scene of spring, Dongfeng represents the breath of spring, and red represents the scene and color of spring. The whole poem is about the author walking alone by the river, enjoying the beautiful moonlight and feeling the breath and sight of spring.