At the center a monkey's face (Hanuman).
A lion's visage representing Narasimha gazing southwards.
An eagle's head symbolizing Garuda facing west.
A boar head of Varaha (north).
A horse's face for Hayagriva (facing the sky).
Each head signifies a particular trait. Hanuman courage and strength, Narasimha fearlessness, Garuda magical skills and the power to cure snake bites, Varaha health and exorcism and Hayagriva victory over enemies.