Space between two lines or surfaces that intersect at a given point.

• Section

• Angle

• Interior

• Perimeter

Highest point on the top of the head.

• Apex

• Elevation

• Hairline

• Nape

Haircutting technique using a diagonal lines by cutting hair ends with a slight increase or decrease in length.

• Beveling

• Effilating

• Notching

• Slicing

AKA "one-length haircut";

haircut in which all the hair comes to one hanging level, forming a weight line or area; hair is cut with no elevation or overdirection.

• Blunt Haircut

• Graduated Haircut

• Layered Haircut

• Long-Layered Haircut

Haircutting technique done by placing the still blade into the hair, resting it on the scalp, and then moving the shears through the hair while opening and partially closing the shears.

• Carving

• Beveling

• Effilating

• Slicing

Method of manufacturing shears; a metal forming process whereby molten steel is poured into a mold and, once the metal is cooled, takes on the shape of the mold.

• Cast

• Forged

• Shrinkage

• Stationary Guideline

Haircutting technique similar to scissor-over-comb, except that the clippers move side to side across the comb rather than bottom to top.

• Clipper-Over-Comb

• Free-Hand Notching

• Free-Hand Slicing

• Razor-Over-Comb

Parting the haircut in the opposite way from which you cut it in order to check for precision of line and shape.

• Cross-Checking

• Slide Cutting

• Traveling Guideline

• Pivoting

Area of the head between the apex and back of the parietal ridge.

• Crown

• Interior

• Occipital Bone

• Nape

Angle at which the fingers are held when cutting, and, ultimately, the line that is cut;

AKA: finger angle, finger position, cutting position, or cutting angle

• Cutting Line

• Traveling Guideline

• Growth Pattern

• Interior Guideline