The word Vigyan means Wisdom/Knowledge, Tantra means method or way, Bhirava means the existence who nourishes all the creatures. Vigyan Bhairav Tantra is a method to realize the existence which is nourishing each and every creature.
The Vijñāna-bhairava-tantra is a Shaiva Tantra. This tantra is framed as a discourse between Shiva and Shakti. It briefly presents around 112 Tantric Dharana (Concentration techniques) in very compressed form. These practices are deep and easy to follow. Learn Vigyan Bhairava Tantra practice with Azehn.