From the innermost part with the yantra within the enclosure of shiv and shakti triangles lies the round dot or bindu exactly where Kāla Bhairava reside in union together with his Shakti. अट्टहासभिन्नपद्मजाण्डकोशसंततिं दृष्टिपातनष्टपापजालमुग्रशासनम् । अष्टसिद्धिदायकं कपालमालिकाधरं काशिकापुराधिनाथकालभैरवं भजे ॥७॥ The Chanda method of Lord Bhairav is white in shade https://www.youtube.com/@Goldiemadanji