"It's Dynamite" by BTS (Ft. Fortnite) has an upbeat and cheerful tone, highlighting the message that life is full of excitement and potential. The repeated phrase "Dyn-na-na-na, na-na-na-na-na, na-na-na, life is dynamite" serves as a catchy chorus that emphasizes the explosive and vibrant nature of life.

The lyrics suggest that life should be embraced with enthusiasm and positivity. "Dynamite" is used metaphorically to represent energy and excitement. It implies that life is an incredible force that can light up one's world and bring joy and happiness. The repetition of this phrase serves as a reminder to the listener to fully experience life's brightness and exuberance.

By partnering with Fortnite, a popular online gaming platform, the collaboration aims to convey the idea that finding enjoyment and amusement in various forms of entertainment can enhance one's experience of life. It encourages the audience to celebrate and cherish life's moments, just like playing a fun and exhilarating game.

In summary, "It's Dynamite" can be interpreted as a song about embracing the thrilling and energetic aspects of life. It encourages listeners to approach life with optimism and to appreciate the joyful moments it has to offer.