The document discusses the functions of art as defined by Aristotle, categorizing them into personal, social, and physical functions, while also noting that not all art must serve a distinct function. It presents philosophical perspectives from Plato, who viewed art as mere imitation, and Aristotle, who saw it as an aid to philosophy and a means to convey truth. Additionally, it includes insights from Kant and Tolstoy about the subjective nature of beauty and the emotional communication inherent in art.