ABust
Measure across the garment at the chest's widest point, from seam to seam.
BHips
Measure across the garment at the widest part of the hips, from seam to seam.
CLength [Bottom]
Measure from the top of the waistband to the bottom of the hem along the side seam.
DLength [Top]
Measured from the highest point of the garment to the hemline.