Describe symbolism in Supernatural Love by Gjertrud Schnackenberg

The themes of supernatural love is present when the father investigates the root meanings of words and discovers why the carnation is a perfect symbol for the incarnation and crucifixion of Christ, since carnation comes from the Latin root meaning flesh, and a carnation is a type of clove, which comes from the French word clou, meaning nail. Thus a kind of poetic shorthand is created symbolizing a central Christian doctrine, in which flesh equals incarnation and nail equals crucifixion.