Answer:
Shift from optical-art to construct-painting
Explanation:
The shift from painting "what one sees" to a painting of "what one thinks about what one sees" describes shift from optical-art to construct-painting.
I do not know what you mean but nice horse though
Answer:
Art is a highly diverse range of human activities engaged in creating visual, auditory, or performed artifacts, that express the author’s imaginative or technical skill, and are intended to be appreciated for their beauty or emotional things.