If you got them all correct well done to you, you have great imagination skills.

 

As you can see, the circle is a magic devise that harmonises the space it contains within, with the world outside of its self.

Its two circles within one larger circle that gives us the number "4" in the form of 4 equal areas, this is because the circumference of the larger circle is exactly the same as the two smaller circles, we just have to squish the large circle to create the two smaller circles. ​​