For those that love horses

Blaze
A broad white mark down the face, extending over the nose.

Snip
White mark between the nostrils, sometimes extending into the nostrils.

Star
A white mark on the forehead.

Stripe
A narrow white mark down the face.

White Face
White mark over the forehead, nose and part of the muzzle

Wall Eye
An eye which shows white or blue-white colouring.