Purana (): Purana meaning "ancient" or "old" is the name of a genre (or a group of related genres) of Indian written literature (as distinct from oral literature).
Periya Puranam (): The Periya Puranam (Tamil: பெரிய‌ புராண‌ம்), that is, the great puranam or epic, sometimes called Tiruttontarpuranam ("Tiru-Thondar-Puranam", the Purana of the Holy Devotees), is a Tamil poetic account depicting the legendary lives of the sixty-three Nayanars, the canonical poets of Tamil Shaivism.