The foot of the club which rests on the ground.

the bottom of an iron club (usually most associated with the sandwedge). Example: The sandwedge's flange allows the depth of the clubhead's penetration into the sand to be more controlled.

The part of the club head protruding rearward from the head. Mainly a term used when discussing putters, a “flange” is the part of the putter from behind the face to the very back of the head.

the location on the hub where the spoke heads are anchored.

Part of a putter that sticks out from the back of the club head.

The backside of a putter from the top line, back.

The additional surface of the club head which protrudes at the sole

A portion of the sole of a club such as a sand wedge or putter. (The wedge?s wide flange made it an effective club from the deep, powdery sand).

A surface that protrudes from the sole of the head to improve a club's balance.