1.
A fold in the rope that looks like a "U" shape where the ropes do not cross.
2.
The exact spot where one part of the rope sits on top of another part.
3.
A circle made by crossing the rope over itself.
4.
The "Busy End" of the rope that you move around to tie the knot.
5.
The part of the rope that stays still and is not used to tie the knot.