The term CIRCLE THE ___ can refer to two different activities. The first is ORBIT, which is a five-letter word. This term refers to the motion of an object around a central point, such as a planet orbiting the sun. The second is ARC, which is a three-letter word. This term refers to a curved line that forms part of the circumference of a circle. Both terms involve the concept of circling something, and are often used in mathematics and science.