The song "Who Are You" by Carrie Underwood is about the deep love and devotion the singer feels for someone. The lyrics express the intense connection she has with this person, asking who they are and how they have become such a significant presence in her life. The song conveys a sense of surrender and sacrifice, as the singer mentions gladly suffering for this person and being willing to give her life for them. They are described as the one she loves above all others, her world, her hope, and the source of all her dreams. The singer also expresses gratitude for the person's unwavering love and support. They are the one who guides and protects her through difficult times, symbolized by references to going through floods, fires, deserts, and dryness. This person has a deep understanding of her thoughts and desires, and they hold a special place in her heart. The song suggests that this person is her savior, her center, and the meaning of her life. They are described as her beginning and her end, and she lives for them. The lyrics convey a sense of angelic love and describe the person as falling on her like fire, leading her through desire. Overall, "Who Are You" portrays a deep and passionate love, emphasizing the connection and devotion the singer has for this person.