VAJRAYANA
Vajrayana
Vajrayāna is also known as Tantric Buddhism, Tantrayāna, Mantrayāna, Secret Mantra, Esoteric Buddhism and the Diamond Way or Thunderbolt Way. Vajrayāna is a complex and multifaceted system of Buddhist thought and practice which evolved over several centuries.The above text is a snippet from Wikipedia: Vajrayana
and as such is available under the Creative Commons Attribution/Share-Alike License.