Tantras refers to numerous and varied scriptures pertaining to any of several esoteric traditions rooted in Hindu and Buddhist philosophy. The religious culture of the Tantras is essentially Hindu, and Buddhist Tantric material can be shown to have been derived from Hindu sources. And although Hindu and Buddhist Tantra have many similarities from the outside, they do have some clear distinctions. The rest of this article deals with Hindu Tantra. Buddhist Tantra is described in the article on Vajrayana.
Vajrayana is Tantric Buddhism, the form of Northern Buddhism that relies primarily on the Tantras, technical manuals said to have been taught by the Buddha, and offer complete enlightenment in 1, 7 or 21 lifetimes.
Vajrayāna practices are connected to specific lineages in Buddhism, through the teachings of lineage holders. Others might generally refer to texts as the Buddhist Tantras. It includes practices that make use of mantras, dharanis, mudras, mandalas and the visualization of .