Arborist-speak

Deadwood, v., to cut the dead wood from a tree.
Face, n., the wedge-shaped cut directing the fall of a tree; v., to cut the face.
High flier, n., the whispy branches above the main foliage.
Pole pull, n., clippers attached to the end of a pole, operated by a pulley. (Alt. pull pole).
Round, n., a large piece of a log that is roughly as wide as it is tall.
Skirt, v., to cut off the lowest limbs of a tree.
Stob, n., a long stub of wood.

Hand signs:
Raised fist, stop.
Flat hand pointing, lay it along this line.
Two fists together jerked twice, pole saw.
Flat hand run back and forth across the arm, chain saw.