'mindfulness', is
one of the 5 spiritual faculties and powers (s. bala),
one of the 7 factors of enlightenment (bojjhanga),
and the 7th link of the 8-fold Path (magga),
and is, in its widest sense, one of those mental factors inseparably associated with all karmically wholesome (kusala) and karma-produced lofty (sobhana) consciousness (Cf. Tab. II). -
For the 4 foundations of mindfulness s. satipatthāna.