Beautiful Tibetan necklace made of wood Om is the most comprehensive
and sublime symbol of Hindu metaphysics and was used for the first time in
the Upanishads. Later, Om was named the Connection of the three sounds a, u
and m to the object of mystical meditation. Amongst other things It symbolizes
the triad of Vishnu, Shiva and Brahma. It corresponds to the states of the Waking,
dreaming, deep sleep and the deepest rest. In all Hindu religions It is considered
the holiest of all mantras.