height
Width
depth
Body mechanics
bone structure
100

The result of elevation and cutting line.

Technique

100

The horizontal movement of hair toward or away from the face.

Over direction

100

Overall length of the hair.

Depth

100

Assists with over direction by making it feel more natural

Lower body position

100

Highest point on the top of the head

Apex

200

The degree of lift placed on a section of hair vertically from it’s natural fall.

Elevation 

200

The result of over direction and/or cutting line.

Geometric shape

200

Fine, medium, or coarse.

Texture

200

Controls elevation and supports over direction 

Upper body position

200

An extension of bone, typically recognized as the bony protrusion directly behind the ear

Mastoid process

300

0 degrees of elevation 

One length

300

Forward over direction.

Round

300

Straight, wavy, curly, or coily

Formation

300

Supports tension, finger angle, and cutting line.

Hand positions

300

The area at the back of the head located completely below the occipital bone.

Nape

400

1-89 degrees of elevation 

Graduation 

400

Backward over direction.

Triangular 

400

Number of hairs per square inch.

Density

400

Your section angle hand position and finger angle all help guide your cutting line

Section angle accuracy

400

The area at the back of the skull situated directly below the ape.

Crown

500

90 degrees of elevation or higher

Layers

500

Forward and backward over direction.

Square

500

Professional recommendation.

Suitability 

500

Helps you plan, protect weaker areas of density and navigate through the haircut

Foundation of a haircut

500

The largest bone structure on the top of the head.

Parietal plate