Eightfold discipline of yoga to destroy ignorance and reach state of  communion with Self, as taught by Sage Patanjali. (Glossary for the Vahinis)

Eightfold discipline or Eightfold Yoga - Yama, Niyama, Asana, Pranayama, Pratyahara, Dharana, Dhyana(m), and Samadhi. (P.Vah, p. 90)

Ashtanga-yoga, the eight-fold discipline is the abstension from evil-doing, observance, control of breath, posture, withdrawal of mind from sense objects, concentration, meditation and absorption in the Atma. The Lord can be visualised only after the seven steps are successfully negotiated and the mind purified in the process. (SSS Vol.13, p. 117)