my philosophy on art is that "true" art is any work that expresses a piece of oneself. Based on this philosophy, any expression of oneself by its basic nature is based on ones experiences l. Ones experience build who that individual is : their opinions , their emotions, their lifestyle, everything. When creating their art, a little piece of that gets exposed (whether consciously or subconsciously). You get a little glimpse into their phsych, their experiences that molded them into who they are!
Both alternate interior and alternate exterior angles are pairs of angles on opposite sides of the transversal, however interior angles are inside the lines crossed by the transversal whereas exterior lines are outside.