A kind of Dravyānupūrvī (exposition of the sequence of the fundamental substances); exposition of the purport of the topic under consideration through figures (tables, etc.) putting the contents in the right order, the reverse order and the order based on permutation-combination.
adhikrtādhyayanapūrvāpūrvānupiirvyādiracanāśrayaprastāropayoginī anpanidhikītyucyate.
(Anu 111 HāVṛ p. 31)