Echo is a song about the pain of a fading relationship. The lyrics talk about the feeling of disconnect between two people and how even though they know things change, it still fills them with regret. The song addresses the distance between the two individuals and how they are dealing with the hurt and burden of their relationship falling apart. Suriel Hess sings about the struggle to communicate and the fact that they rarely call each other anymore, creating a distance that is hard to overcome. They reminisce about the good times they had in the past, but also express their frustration and sadness with the situation. The chorus talks about letting the space grow and fade into an echo, which could refer to giving their relationship space to end or fade away. The song also touches on the idea of selfishness, wondering if their actions are selfish in the way they are dealing with the end of their relationship. Overall, Echo is a poignant song about the pain of letting go, leaving behind something that meant a lot to you, and the struggle to come to terms with it.