Art is abstract, could only be feel and sense.. Immaterial and unexplained, but by emotion. Emotions is in mind, but it's somewhere else deeper. Good art touches visual or phonetic perception, but great art penetrates deeper trough emotions...
Good writer tells stories, Great writer creates ambience and atmosphere..
Seno Gumira writes afternoon and and sunset
Good singer follows tones and pitch, Great singer express feelings..
Chris Carraba sings deception and sentiment
Good painter create composition, Great painter create sensations...
Van Gogh paints starry night
Good movies captures moments, Great movies captures senses..
Fight Club images dissatisfactions and expectation