CIRCUMFERENCES:
A: natural waistline
B: hip circumference just above the hip bone
C: hip circumference at its widest point
C-front: half hip circumference at its widest point from side to side on the front
C-back: half hip circumference at its widest point from side to side on the back
D: crotch circumference
E: leg circumference at its widest point

DISTANCES:
A-B: from the waistline to the hip bone line
A1-B1: from waistline to hip bone on the side
A1-C1: from waistline to the widest point of the hips on the side
A1-D1: from waistline to the crotch line on the side
A1-F1: from the waistline to the knee on the side
A1-G1: from waistline to the bottom of the pants on the side
D-H2: from the crotch to the bottom of the pants on the inner side