Rain: Rain is often used to describe the natural landscape in poetry, but it also has many symbolic meanings. For example, rain can symbolize sadness, melancholy, loneliness, washing, rebirth and so on. In poetry, rain can be used to express the author's feelings and thoughts.
Lighting: Lighting is often used as a ray of hope in darkness in poetry, symbolizing warmth, light and hope. Lighting can also be used to express the author's inner feelings, such as longing and pursuit when he is lonely.
Window: In poetry, the window can symbolize the desire and exploration to the outside world, and can also indicate the isolation and alienation from the outside world. Windows can also express the author's yearning for freedom and attitude towards life.
These images are usually interwoven and transformed in poetry, and their symbolic meanings will be different because of different contexts and cultural backgrounds.