Asanas teach pranayama fundamentals—breath uses, applications, processes.
karma
Karma & Karmaphala
Karma doesn’t end with fruition: reactions form new samskaras (imprints) & vasanas (tendencies)
Karma Is Not Destiny
Destiny, determined by prior karmas, depends on perception, action
Yama & Niyama — Ethico-Religious Practice
Ashtanga yoga is an ethico-religious practice comprised of yama and niyama.