Art originates from life and is higher than life. Rather than saying that the expressive arts listed in this method are music, dance, architecture, and calligraphy, and the representational arts are painting, sculpture, drama, and film, it is better to say that each of the above art forms is permeated with the artistic techniques of expression and reproduction. . Although opera contains recitatives mainly used for narrative and arias mainly used for lyricism, there are lyrical dances and narrative dances in dance, and there are realistic and freehand, abstract and concrete paintings, but at the operational level, especially in comprehensive art forms, the clear separation of expressive art and representational art in the same form or even the same work is almost non-existent, which often makes it difficult to distinguish. Expression and reproduction are nothing more than the subjective reliance of the artist's artistic aesthetic experience or different emphases of the same form. Expression and reproduction as an artistic way of thinking have their special significance, but applying them to art classification often makes it difficult to distinguish between various art forms and works, so that their classification significance cannot be truly realized.
The classification method of dividing art into performance art, body art, language, expression, etc. based on the expression of artistic qatar numbers behavior also needs to remove the "language" category first. At the same time, there is a contradiction between "performance art" and "body art", because all performance art is completed through the body, and some body art itself is typical performance art.