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Om (written universally as ?; in Devanagari as ?? o? [õ?], ?? au? [???], or '????' om [õ?m]) is a mantra and mystical Sanskrit sound ofHindu origin (geographically India), sacred and important in various Dharmic religions such as Hinduism, Buddhism and Jainism. The syllable is also referred to as omkara (????? o?k?ra) or aumkara (????? au?k?ra), literally "om syllable", and in Sanskrit it is sometimes referred to as pra?ava, literally "that which is sounded out loudly".

Om is also written ???? (??m [õ??m]), where ? is pluta ("three times as long"), indicating a length of three morae (that is, the time it takes to say three syllables)—an overlong nasalised close-mid back rounded vowel—though there are other enunciations adhered to in received traditions. It is placed at the beginning of most Hindu texts as a sacred incantation to be intoned at the beginning and end of a reading of the Vedas or prior to any prayer or mantra. It is used at the end of the invocation to the god being sacrificed to (anuvakya) as an invitation to and for the latter to partake of. http://en.wikipedia.org/wiki/Om

om is the poem of my hero