examples of collars 
Collar: piece sewn onto a garment that finishes or adorns the neck.
Piece sewn onto a garment that finishes or adorns the neck.
Top edge of the break line, where the collar turns.
Part of a garment turned down over the chest, extending the collar.
Line where the collar folds.
Inside of the collar, behind the neck.
Folded part of the fabric that runs along the collar.
Angle formed where the collar and the lapel meet.
Somewhat pointed tip of the collar.
Part of the collar that folds back over the garment from the break line.