agama, āgama

The āgamas are the basic scriptures of Śaivism, the source of worship of gods and goddesses and of spiritual practice, all emanating from the five faces of Śiva-Shiva.

More generally, a class of texts believed to be revealed by a god or goddess that include mantras, tantras and yantras, usually with four pāda [parts] dealing with: 1) knowledge or doctrine (vidyāpāda), 2) ritual (kriyāpāda), 3)
conduct (caryāpāda), 4) yoga (yōgapāda).