Eyelets: the holes on the flap that the laces go through
Flap: above the vamp, holds the eyelets for the laces and covers the tongue.
Heel Cap: on the outside of the quarter, around the heel, giving the shoe strength and structure.
Lining: fabric that covers the inside of the shoes.
Quarter: the center to back section below the ankle, on both sides of the shoe and around the heel.
The Insole: the sole, on the inside, on which you rest your feet on.
The Outsole/Sole: the sole, on the outside, with which your shoes touches the ground.
Toe Cap: on the outside of the vamp, covers the toes, giving the shoe strength and structure.
Tongue: covers the top of the foot and protects it from the laces.
Top Line/Collar: the often cushioned egde of the quarter where the foot is inserted.
Upper: everything from the the sole and up is considered the upper.
Vamp: the center to front section between the quarter and toecap, covers the foot.
Welt: the part that fixates the upper, insole and outsole, through stitching, to each other.