Good Knot	Serves a useful purpose, is easy to tie, doesn't come undone on it's own, and is easy to untie.
Bend	A knot is a bend when you join two ropes together.
Hitch	A knot is a hitch when you make a rope fast to another object.
Working End	Part of the rope being manipulated.
Standing Part	Inactive section of the rope.
Bight	Any curved section, slack part, or loop between the two ends of a rope.
Overhand Loop	working part goes over the standing part.
Underhand Loop	working part goes under the standing part.
Turn	One round of rope.
Yarn	Fibers twisted together (typically Z lay).
Strand	Two or more large yarns twisted together (typically S lay).
Rope	Several strands twisted together (typically Z lay).
Cable	Several Ropes twisted together (typically S lay.).
S lay	The twist matches the middle of an S.
Z lay	The twist matches the middle of a Z.

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