"Decade" is a poignant reflection on the passage of time and the evolving nature of self-discovery. The song narrates the journey of an individual looking back on a transformative ten-year period, grappling with the highs and lows that have shaped their identity. Through introspective lyrics and a haunting melody, it captures the bittersweet essence of change, celebrating the growth achieved while mourning the loss of simpler times. As the narrative unfolds, it paints a vivid picture of the internal and external shifts experienced over the years, offering a universal message about the resilience of the human spirit and the enduring quest for meaning in the face of life's inevitable transitions.