The song Sign by Haerts is a heartfelt plea to the universe for a sign, any type of confirmation that there is something greater out there that will give meaning to the singer's life. The lyrics speak of being lost and searching for something to hold onto, whether it's a heart-shaped stone or a bluebird's feather. The singer is looking for a sign that will bring hope and lift them up from the ground. The chorus repeats the request for a sign from heaven or from God. It's not clear what the singer is looking for specifically, but it's evident that they are willing to keep searching until they find it. The lalala's that follow the chorus seem to signify the singer's continued commitment to finding whatever it is they're looking for. Overall, Sign is a song about seeking something greater in life and the belief that there is something out there worth finding. The lyrics are open to interpretation and can be seen as a metaphor for spirituality, love, or any other meaningful pursuit. At its core, Sign is a deeply emotional song that speaks to the human need for connection and purpose.