A = Circumference of neck - Collar
B = Half of neck down to wrist - COB (Centre of Back)
C = Shoulder top to wrist - Long Sleeve
D = Under arm x2 - Chest
E = Waist at narrowest point x2 - Waist
F = Hip at widest point x2 - Hip / Hem / Seat
G = Nape of neck to base of back - CB (Centre Back)
H = Base of crotch to ankle - Inside Leg
I = Top of head to base of feet - Full Height
J = Wrist Circumference - Wrist / Cuff
K = Head Circumference

Hints to help.
It helps to get someone impartial to measure members of staff. Body measurements can be taken over basic clothing and your tape should be securely covering the required body part. Secure not tight. Do not add any increased measurements for fit onto your information.