An aesthetic response serves this function in mediating interpretation and perception when  triggered by the aforementioned structures in our environments that induce the making of sense. Art, then, can be defined as a tangible, deliberate human action aimed at triggering this response. Aesthetics, or esthetics is a branch of philosophy that deals with the nature of art, beauty and taste and with the creation or appreciation of beauty. Aesthetics studies how artists imagine, create and perform works of art; how people use, enjoy, and criticize art; and what happens in their minds when they look at paintings, listen to music, or read poetry, and understand what they see and hear. It also studies how they feel about art — why they like some works and not others, and how art can affect their moods, beliefs, and attitude toward life.