AUM is a letter, a word. It is also a sound or resonance. There are three sounds in AUM which are known as ‘matra’ (vowel diacritics). They are ‘a’, ‘u’ and ‘m’. When ‘a’ and ‘u’ merge they form ‘o’. when ‘m’ gets placed alongside with ‘o’ it forms ‘OM’. Thus, all sounds of all languages, either vowels or consonants, are all contained in ‘OM’. That is why OM is a unique universal sound. According to Mandukaya Upanishad,... Read more