an esoteric teaching of the science of Brahman
... that "an esoteric teaching of the science of Brahman" explains the structure of Om and its sound?
... that "<b id="mwATY"><a href="./Brahmavidya_Upanishad" id="mwATc" rel="mw:WikiLink" title="Brahmavidya Upanishad">an esoteric teaching of the science of Brahman</a></b>" explains the structure of <a href="./Om" id="mwATg" rel="mw:WikiLink" title="Om">Om</a> <i id="mwATk">(pictured)</i> and its sound?