Frost, white and transparent, is used to describe things like innocence or soul; mourning means premature death. To sum up the whole meaning, it means that white things and transparent things died young. You can think of it as the soul. It can also be considered as innocence. Or something else.
This article describes the contradictory feelings of being depressed in a sea of questions all day long but constantly longing for relief when faced with the pressure of being a senior in high school.
Conception: