Page 31 - Patty Hahne "The Pocket Guide to Prepper Knots"

8. Elbow: If you form a bight and then put two twists in it,
you have created an elbow.

Single Turn: If you pass the working end around some-
thing, you have made a single turn. For example, you create
a single turn when you wrap a rope around a tree to tie a
knot. Figure 7 illustrates what a single turn looks like.

Figure 7.
Round Turn: If you pass the working end around something
to form a complete circle, you have made a round turn. For
example, you create a round turn when you wrap a rope
around a tree twice to tie a knot. For an example of what a
round turn looks like, see figure 8.

Figure 8.

Basic Knot-Tying Terminology 25