Yoga Sutra 3.02 meditation is continuity of the idea of the meditation
Sūtra III.2 Continuity of the mind there is dhyāna (meditation) Meditation is continuity of the idea of the meditation-object in that place – a stream of similar ideas untouched by any other idea. Continuity of the idea in that place is meditation, in that place; for instance the navel circle and the other objects of…