Because they use it for us people to know what is happening.
Answer:
It is important to include you own personal twist to every piece of art work that you create, because when you create a drawing, or painting, or what ever your doing, you need to express yourself, that is what art is all about! If you work does not have anything that fits you personally, then it does not express who you are, and without expressing yourself, your art does not mean anything, its is just simply something you created, instead of something you could be proud of.
I hope this helps, :)
Answer:
I honestly have zero clue
The answer is Formalists.
Formalism describes the critical position that the most important aspect of a work of art is its form, the way it is made and its purely visual aspects rather than its narrative content or its relationship to the visible world. In painting therefore, a formalist critic would focus exclusively on the qualities of color, brushwork, form, line and composition.