SN 52.21 Absorptions, Etc.

A mental quality of composure where awareness is gathered, steady, rather than scattered or tense. In such collectedness, supported by mindfulness and right view, experience is clearly known and can be wisely contemplated.

The active practice of 'bringing into being' wholesome states. It is the deliberate nurturing of the bright state of mind.

An abiding with a steady, collected awareness that is attained through seclusion from the five hindrances and unwholesome mental states. When supported by right view, a jhāna can be a basis for the wearing away of taints and directing the mind toward the vision of Nibbāna.

Liberation can imply a temporary release of the mind, i.e. liberated from certain unwholesome mental qualities or complete liberation from all unwholesome qualities of the mind, i.e. Nibbāna.

Active presence of mind and lucid retention; the faculty that remembers the Dhamma, anchors attention to the chosen object or present experience, and guards the mind against unwholesome states.