Inside of it lies one shakti downward going through triangle and that is the Bhairavai trikoṇa. You can find 3 upward facing Shiv triangles. शूलटङ्कपाशदण्डपाणिमादिकारणं श्यामकायमादिदेवमक्षरं निरामयम् । भीमविक्रमं प्रभुं विचित्रताण्डवप्रियं काशिकापुराधिनाथकालभैरवं भजे ॥३॥ You can find six circles within the triangles which can be the concealed realm or guhya https://vashikaran75825.tinyblogging.com/bhairav-an-overview-73831462