Apart from classical Mahāyāna Buddhist practices like the six perfections, Tibetan Buddhism also includes tantric practices, such as deity yoga and the Six Dharmas of Naropa as well as methods which are seen as transcending tantra, like Dzogchen.
In Tibetan Buddhism, practices are generally classified as either Sutra (or Pāramitāyāna) or Tantra (Vajrayāna or Mantrayāna), though exactly what constitutes each category and what is included and excluded in each is a matter of debate and .
Vajrayāna along with Mantrayāna, Guhyamantrayāna, Tantrayāna, Secret Mantra, Tantric Buddhism, and Esoteric Buddhism are names referring to Buddhist traditions associated with Tantra and "Secret Mantra".
Practitioners of Vajrayāna need to abide by various tantric vows or pledges called samaya.
These are extensions of the rules of the Prātimokṣa and Bodhisattva vows for the lower levels of tantra, and are taken during initiations into the empowerment for a particular Unsurpassed Yoga Tantra.
The special tantric vows .