HEIGHT: Measured from the center top seam of the bag to the center bottom seam of the bag
LENGTH: Measured from the bottom left seam to the bottom right seam of the front of the bag.
WIDTH (a.k.a the Gusset): Measured from the front side seam to the back side seam
Although sometimes used to describe the width of a bag, the GUSSET can also be used to refer to “the triangular end piece of a handbag that gives depth”.
TOP HANDLE: A type of handle not long enough to go over the shoulder, it allows the bag to be held in the hand and crook of the elbow.
PIECE GOOD: The material that a bag is mostly made of (e.g leather, fabric, canvas, etc)