Weeds symbolizes the difficulties, hardships, twists and turns and bumps encountered in exploring life.
"Footprint" symbolizes the unremitting pursuit and struggle to explore the road of life.
"Fallen leaves" symbolizes the failure, frustration and frustration suffered in the process of exploration and struggle. ...
In a word, the poem The Road Not Taken uses symbolism. In the description of images, it implies that the choice of life path is difficult, but we must choose and persevere.