•In other words, these two mandalas represented the two fundamental aspects of Mahayana or Vajrayanareality: the Kongokaias the subtle noumenous(divine) side of the world and Taizokaias the phenomenal (physical) side of the world.
•We saw these two sides of reality represented by the two sides of the vajra, which is ultimately empty in the middle.
•These two mandalas had originally evolved as two separate Buddhist ritual instruments in India, and then they were brought together for the first time in Chinese Esoteric Buddhist practice, and then brought by Kukaito Japan.