Composition refers to the organization, arrangement, and combination of objects within the borders of a drawing space. For a great drawing, you want to bring the eyes of the viewer toward your center of interest within an aesthetically pleasing composition.
The idea that clockwise motion represents the forward motion of time so powerful that it's hard to look at such a watch or clock without having the slightly unsettling feeling that time is running backwards.
Big systems on a spinning sphere, like prevailing winds, tend to form clockwise patterns in the northern half of the sphere, counterclockwise ones in the southern half. In the Northern Atlantic, not only do the winds follow this pattern, but so does the major ocean current, the Gulf Stream.