AUM Universal OM
The sound AUM is as universal and timeless as existence itself.
The general belief is that AUM is associated with the Hindu way of life; although I’m not sure about the validity of this assumption.
The Vedic philosophy regards AUM as the sacred sound of creation – the primordial sound from which all creation came into being.
In its Sanskrit origin, it is a combination of three sounds: A-U-M. In the Vedic tradition, these three sounds respectively represent the three elementary elements of the divine universal energy – Brahma (Creation), Vishnu (Preservation and Sustenance) and Shiva (Liberation and Destruction).
Linguistically speaking, A-U-M encompasses the three “root sounds” that we humans are capable of uttering; and from which all other sounds are derived.
In Sanskrit, the sound “O” is a diphthong from the transition of the sound “A” to “U”. This is why “AUM” and “OM” are used interchanging.
The Vedas also regard OM as the essence of all mantras. You may have notices that many mantras begin with OM.
For example, “OM Namah Shivayah”, “OM Namoh Narayanayah”.