The song "Big Big World" by Emilia is about the narrator, who identifies as a "big big girl," expressing her feelings of loneliness and heartbreak after a breakup. She acknowledges that it may not be a significant event if her partner leaves her, but she still feels a deep sense of loss and longing for them. The lyrics convey a sense of melancholy as the narrator observes the changing seasons, specifically the falling leaves and the cold weather, which reflect the sadness she feels inside. The rain represents her tears, highlighting her emotional pain. The chorus of the song emphasizes the narrator's acceptance that she is a big girl in a big world and acknowledges that her partner's departure is not a major issue. However, she still admits that she will deeply miss them and their presence in her life. The bridge reveals that the narrator used to feel comforted and loved by her partner's warmth, but upon opening her eyes, she realizes that they are gone, reinforcing her feelings of emptiness. Overall, "Big Big World" portrays the emotions experienced during a breakup, with the narrator acknowledging the insignificance of the relationship's end while grappling with the longing and sadness that lingers.