The speaker is an observant traveler, presumably a pediatrician, making a daily commute to a hospital in early spring. He possesses a careful, clinical eye, noting the specific textures, colors, and barrenness of the late-winter terrain. Despite the desolate environment, he perceives the subtle, underlying stirrings of life and maintains a resolute faith in nature's impending renewal.

Spring is personified initially as a dazed entity before shifting into a collective identity of emerging plants, grass, and wild carrot leaves. It enters the cold world naked and vulnerable but carries the undeniable energy of reanimation. The season represents resilience and the agonizingly slow process of birth.

Winter acts as an oppressive, enclosing force that holds the natural world in a temporary state of apparent death. It exerts its power through a steady, bitter wind from the northeast and leaves behind puddles of standing water and brown, leafless vines. The season functions as a lingering affliction that the world must recover from.

The patients are individuals recovering from sickness within the nearby medical facility. Though unseen in the physical fields, they represent the human equivalent of the natural world's struggle. Their presence in the hospital promises a return to health rather than an end in death.