- A kind of Utkālika Śruta (a category of Āgamas (canonical works), which is allowed to be studied at all time barring the akāla prahara (i.e., the period in which the study of Āgamas is prohibited));
in which directions for the study of Pūrvas (canonical works of earlier lore) are given.
(Nandī 77)
- The system of exposition which has four doors-Upakrama, Nikṣepa, Anugama, Naya.
(Anu 75)