Measurements should be taken directly on your body.
A: Measure your chest over the fullest part of your bust while wearing a bra that fits.
B: If you're shopping for a bra you should take another measurement directly under the bust.
C: Measure your waist at the narrowest point.
D: Your seat measurement should be measured around the fullest part of your seat.
E: Inner leg length is measured from the top of your inside leg down to the floor.