Yoga Sutra 1.44 sa-vicara identification refers to subtle elements,
Sūtra I.44 In the same way, when it is on subtle objects, it is called sa-vicāra (with subtle associations) and nir-vicāra (without subtle associations) Of these two, the sa-vicāra identification refers to subtle elements, whose qualities are manifest, with a particular location, time, cause and experience as their features. The object of the meditation is…