Daughter's song Still describes a couple who continually grow apart through time, but due to the fear of being alone, chose to stay together. They are still together, but inside they know that they should no longer be with each other.
The word came out into my brain is "Invisible", not all the wounds are visible. The color one represents that something looks very beautiful and perfect, but there are some imperfect things hidden under the surface that you can't see. The dark one with scratched type and line illustrate the feeling of pain indistinctly.