The song "Roar" by Cast is about reminiscing on the feeling of freedom and excitement that we experience in our youth. The lyrics describe a sense of nostalgia for a time when we felt carefree and unstoppable, running wild and leaving our troubles behind. The imagery of paper blowing in the wind represents the fleeting nature of these moments. The chorus, "Let me hear you roar," is a call to reclaim that sense of freedom and power, to unleash our inner strength and passion. It's a reminder to not let hardships or responsibilities drown out our spirit, but to roar loud and proud. Overall, the song encourages listeners to hold onto their youthful spirit, to embrace their emotions and desires, and to keep striving for greatness despite the challenges that life may bring. It's a reminder to live life to the fullest and to always roar with strength and determination.