Bindu - Classic Yantras have the Bindu as being the central point in the yantra. It is claimed to generally be the symbolic representation of the initial variety, called ellipsoid or linga. Yantras linked to wellbeing, including the Mahamrityunjaya Yantra, is said to possess healing properties. They're used in rituals https://www.youtube.com/@Mahavidyabaglamukhi