Buddhism is also Mahayana in origin, but is discussed below under the heading of Vajrayana (also commonly referred to as "Northern Buddhism"). There are a variety of strands in Eastern Buddhism, of which "the Pure Land school of Mahayana is the most widely practised today.". In most of this area however, they are fused into a single unified form of Buddhism. In Japan in particular, they form separate denominations with the five major ones being: Nichiren, peculiar to Japan; Pure Land; Shingon, a form of Vajrayana; Tendai, and Zen. In Korea, nearly all Buddhists belong to the Chogye school, which is
Shingon Buddhism important to note that, because of the interdependence between emptiness and form, Vairocana is also a representation of all collective phenomena, of the universe itself. When the teachings of Shingon Buddhism were brought to Japan, Esoteric Buddhism was still in its early stages in India. At this time, the terms "Vajrayāna" ("Diamond Vehicle") and "Mantrayāna" ("Mantra Vehicle") were not used for Esoteric Buddhist teachings. Instead, esoteric teachings were more typically referred to as "Mantranaya", or the "Mantra System." According to Paul Williams, "Mantranaya" is the more appropriate term to describe the self-perception of early Esoteric Buddhism. The primary difference between