Sixteen kinds of emptiness
Sixteen Emptinesses (Tib. tongnyi chudruk; stong nyid bcu drug) are sixteen kinds of emptiness, or shunyata.
1. emptiness of the outer
2. emptiness of the inner
3. emptiness of the outer and inner
4. great emptiness
5. emptiness of the beginningless and endless
6. emptiness of the conditioned
7. emptiness of the unconditioned
8. emptiness of emptiness
9. emptiness beyond extremes
10. natural emptiness
11. emptiness of the unobserved
12. ultimate emptiness
13. emptiness of the indispensable
14. emptiness of the essential nature of non-entities
15. emptiness of all phenomena
16. emptiness of specific characteristics