Read The Concise Oxford Dictionary of World Religions Online
Authors: John Bowker
(i)
sam
dhi
or concentration,
(ii)
s
dhana
or practice,
(iii)
vibh
ti
or magical powers, and
(iv)
kaivalya
, the condition of isolation or freedom. The
S
tra
is a systematic exposition of the theory and practice of eight-limbed (
a
ga
) or
r
ja
yoga.