Assāsa-passāsa: In-and-out-breathing, are bodily constructions kāya - sankhāra, while directed thought and sustained thinking vitakka and vicāra are called verbal constructions vacī-sankhāra, see: sankhāra 2. In-and-out-breathing forms one of the 6 aspects of the wind-element see: dhātu. Cf. M. 62.