varṇāśrama-viniścayaḥ

pramanam-extent and measurement; anda-kosasya-of the universe; bahya-outer space; abhyantara-inner space; bhedatah-by division of; mahatam-of the great souls; ca-also; anucaritam-character and activities; varna-castes; asrama-orders of life; viniscayah-specifically describe.