The song "Rainbow" by Elisa is about the transformation of a relationship from being enemies to becoming something beautiful and full of light. The lyrics convey the idea that now there is a sense of understanding and connection between the two individuals. The ray of light symbolizes hope and positivity that has entered their lives. The lyrics suggest that there is a simplicity and ease in their newfound bond, something they never thought possible before. The person described in the song has the ability to hear and heal without words, understanding and comforting the singer's heart without needing explanations. The singer feels safe to express their vulnerability and emotions because the person they are singing to is not afraid to face it. The chorus talks about the cleansing and healing power of rain, representing a fresh start and the washing away of pain. It implies that the challenges or struggles they have faced before will eventually be washed away, and they will be able to move forward together. The repeated lines, "It'll never end for us," emphasize the permanence and strength of their connection. The singer believes that what they have is something that neither had to work for or find - it simply exists and will continue to exist for them. Towards the end, the lyrics mention the search for a place to stay. This line can be interpreted as a metaphorical search for a safe and comforting space within the relationship, where both individuals can fully be themselves and find solace. Overall, "Rainbow" is a song about the transformative power of love and the hope for a brighter future. It portrays a journey of moving from conflict to harmony, and finding a sense of stability and happiness together.