The scripture Mandukya Upanishad describes how AUM, or "OM," is The idea of all the other letters inside the Sanskrit language and is associated with the universe plus the human microcosm (analgous concepts exist in these kabalistic operates as the Sepher Yesirah). A mantra may be related to a yantra, https://webtagdirectory.com/listings13319970/not-known-factual-statements-about-yantra