Yantra is really a diagrammatic representation of mantra. Yantra is an abode of the precise ruling deity or archetype. It is an interlocking matrix of geometric figures, circles, triangles and floral patterns. Astro Adiyogi has actually been a real guiding light in my existence. His astrological insights were spot-on https://www.youtube.com/watch?v=uTDAtp7YWmE