Abandonment: contemplation of: patinissaggānupassanā is one of the 18 chief kinds of insight; see: vipassanā further ānāpānasati 16.

…divine beings, death maranasati, the body kāyagatāsati,, in-and-outbreathing ānāpāna-sati and peace upasamānussati,. Among these,…

Breathing: awareness or mindfulness of in-and-out-breathing ānāpānasati.

…by Breathing’ Ānāpānasati Sutta, M. 118 and other texts have 16 methods of practice, which divide into 4 groups of four. The first three…