Yoga Sutra 3.04 the triad – concentration, meditation, and samadhi
Sūtra III.4 The triad (held) at the one place is saṃyama The triad – concentration, meditation, and samādhi – held at the one place, is called saṃyama. The triple means directed on to a single object is called by the technical name of saṃyama. What has been explained as the triad – concentration (dhāraṇā), meditation…