When the sun is warm, the tree is winter, and when it comes home in spring, what does this mean?

This is a poem, which means:

The warm winter sun shines on the trees and we go our separate ways. I don't know when spring will come, so we can get together again.

This poem expresses the poet's feelings for parting and his expectation for the future. The warm sun shines on the tree in winter, which means hope and warmth, but the journey of parting is long and uncertain. The poet hopes to meet again in spring, but when he can meet again is still unknown. The whole poem is beautiful and full of emotion, expressing people's expectation for the future and their understanding of life.