The term 'Unicorn Feature' refers to two distinct features of the mythical creature, the unicorn. The first feature is the MANE, which is a long, flowing mass of hair that covers the neck and shoulders of the unicorn. The second feature is the HORN, which is a single, pointed protrusion from the forehead of the unicorn. Both of these features are iconic symbols of the unicorn and are often used in artwork and literature to represent the creature.