Three stages of "tender insight" (taruna vipassana):
Defining of Nama and
Rupa (nama-rupa-pariccheda nana)
Discerning the Conditions
of Nama and Rupa (paccaya patiggaha nana)
Investigation Knowledge
or Comprehension by Groups (sammasana nana)
Eight Stages of Principal
Insight (Maha-Vipassana Nana):
Knowledge of the Arising
and Falling Away of Nama and Rupa (udayabbhaya Nana)
Knowledge of Dissolution
(bhanga nana)
Knowledge of Terror
(bhaya nana)
Knowledge of Danger
(adinava nana)
Knowledge of Dispassion
(nibbida nana)
Knowledge of Desire
for Deliverance (muccitukamyata nana)
Knowledge of Reflection
(patisankha nana)
Knowledge of Equanimity
about Sankhara Dhammas (sankharupekkha nana)
Adaptation Knowledge
(anuloma nana)