yama // restraint, which lets us refrain from violence, lying, and stealing niyama // observances. following a set of outlined rules that lead to contentment, purity, and tolerance
asana // the physical exercises of yoga poses
pranayama // the breathing techniques
pratyahara // the preparation for meditation, a withdrawal of the mind from the senses
dharana // a state of concentration and bring able to hold the mind on one object for a specific time
dhyana // the act of meditation, the ability to focus on nothing, or no objects, indefinitely
samadhi // absorption. being present, and the realization of the essential nature of the self.
taken from Yoga Cures // Tara Stiles