Yantra is a diagrammatic illustration of mantra. Yantra is undoubtedly an abode of the specific ruling deity or archetype. It is actually an interlocking matrix of geometric figures, circles, triangles and floral designs. This function will get expressed because of the Vibration and Resonance referring to the Shakti Mantra https://www.youtube.com/watch?v=uTDAtp7YWmE