Of these 2 Images, try to think how it was drawn. What are the steps in order. Was a dot put in the middle and branched out with a ruler to extend to the other sides of the paper.
The red and yellow reflect the rays of sunshine. While the black and white in the box resembles the olden days when there was only black and white film colors. Also, keys on a piano are black and white.
The tiles represent the floor. The 1st layer follows a pattern of blue white blue, while the 2nd layer is purple white purple. In this way, the tiles appear to look like they are all pointing to the center.