The song 'So' by Tracy Chapman delves into themes of longing, introspection, and emotional struggle. It describes a relationship where one partner's feelings and desires are not fully reciprocated, leading to a sense of unfulfilled love. Tracy Chapman captures the raw emotions of wanting more than what is being offered and questioning the depth of the connection. Poignant moments in the song include lines that highlight the imbalance and the yearning for mutual commitment and understanding.