Rotting · [ɹɑtɪŋ] (or Decomposition) is the process by which organic substances are broken down into simpler forms of matter. The process is essential for recycling the finite matter that occupies physical space in the biome. Bodies of living organisms begin to decompose shortly after death. Source: Wikipedia.

Aesthetics · /ɛsˈθɛt.ɪks/ is a branch of philosophy dealing with the nature of art, beauty, and taste, with the creation and appreciation of beauty. It is more scientifically defined as the study of sensory or sensori-emotional values, sometimes called judgments of sentiment and taste. Source: Wikipedia.