The Four Padas
The four broad categories of subject matter that the āgamas are ideally supposed to contain are the following:
1. vidyā (knowledge) or jñāna (doctrines);
2. kriyā (rituals);
3. yoga; and
4. caryā (right conduct).
Accordingly, each āgama is divided into four pādas (quarters): Vidyāpāda (or Jñānapāda), Kriyāpāda, Yogapāda, and Cāryapāda. Though there is some sort of u…