An orb is another word for a sphere. The word is most often used to describe mystical or very decorative spheres, such as Christmas decorations or crystal balls.
Pis forParallelogram
A parallelogram is a shape with four sides. A parallelogram looks like a rectangle that has been pushed sideways. Both pairs of opposite sides are parallel and the same length. The windows in the picture, viewed from this angle, look like a parallelogram. In fact, each of the windows is a little parallelogram by itself.