Bindu - Common Yantras possess the Bindu as being the central point in the yantra. It is alleged to be the symbolic representation of the first form, called ellipsoid or linga. Yantras associated with health, such as the Mahamrityunjaya Yantra, is claimed to own healing Qualities. They're used in rituals https://www.youtube.com/@Mahavidyabaglamukhi