attaché case 
Small plain case with rigid sides that is used to carry documents.
lining 
Fabric or leather covering that protects and embellishes the inside of the case.
hinge 
Metal structure consisting of two symmetrical pieces that move on an axis and are used to open and close the case.
pocket 
Small soft flat rectangular pocket that is used to hold similar objects.
divider 
Panel used to keep personal effects separate; it is held by hooks or snap fasteners and contains compartments and pockets.
frame 
Rectangular metal piece on which the shell is mounted; it supports the hinges, locks and handle.
clasp 
Metal device such as a clip or fastener that is used to hold an object closed.