Om is a foundation of Hinduism, where it is considered the very first sound of the universe. "Before the sound Om, there was nothing," 

When said aloud, Om (or Aum) actually sounds like a three-part word. "The A represents creation, U is manifestation, and M is destruction," explains Kumar. "It's basically all-encompassing—the whole universe joined into a single sound. It represents the union of the mind, body, and the spirit."


Om also has ties to Buddhism, where it refers to compassion and connection. And in Jainism, it's often used in reference to Pañca-Parameṣṭhi, or the five supreme beings of the ancient Indian religion.

As far as the physical symbol of Om, its various curves and lines represent five states of consciousness: