The five stages of abstraction in art are visual perception, visual memory, associative memory, formal abstraction, and final abstraction.

Creating good abstract art requires skill in composition, color theory, and use of formal elements such as line and shape.

The two basic types of abstract art are geometric abstraction and gestural abstraction.

The most important element of abstract art can vary depending on the composition, but color is often considered a key component.

Abstract art can be expensive due to factors such as the reputation of the artist, rarity of the work, and demand from collectors.

While some of Van Gogh's work may contain abstract elements, he is not generally considered an abstract artist.

Abstract art is characterized by its emphasis on formal elements such as color, shape, and texture rather than recognizable objects or scenes.

A good abstract painting should have a strong sense of composition, use of color, and balance of form and texture.

While there are no strict rules to abstract painting, there are techniques and principles that can be used to create effective compositions.

Abstract art is not based on recognizable objects or scenes, while real art is representational and based on real-life subjects.