Cut straight across where the weight falls at the bottom of a haircut, to build up weight, for a graphical outline of a haircut or on fine hair to keep the integrity to the outline of the cut.
Part of the haircut that carries the most weight, normally the bottom of the haircut or a buildup of weight in a graduated style.
Scissors are pointed vertically down the hair to remove weight from the ends, creating softness and volume to the hair.
Hair graduates from long to short or short to long; this can be a graduation of a bob or forward grad to layering around the face.
Layers are separate to the base length and are normally taken from the shortest point to long, giving an invisible seamless effect to the hair, creating texture and movement internally or externally to the hair.
Slice cutting is a freehand technique where the scissors are worked through the hair in a gliding motion to remove weight and create softness to a outline.
A razor is used to remove weight and gives a shattered softness to the hair.