Each of these divisions of philosophy classifies different aspects of knowledge, and then explains the various bases of our experience. Please note the three modes of aesthetics.
Romanticism refers to the artist's own subjective style of expression.
Symbolism looks to the art form itself for a guide to beauty. This is art for the sake of art, art to develop technique, art to expand the frontiers of expression. None is intrinsically right or wrong. Languages, for instance, contain metaphors and convey a mindset. Hence narrative expression employs familiar themes and theses.