The 37 'things pertaining to enlightenment', or
'requisites of enlightenment' comprise the entire doctrines of the Buddha.
the 4 foundations of mindfulness (satipatthāna, q.v.),
the 4 right efforts (s. padhāna),
the 4 roads to power (iddhi-pāda, q.v.),
the 5 spiritual abilities (indriya; s.
the 5 spiritual powers (bala, q.v.),
the 7 factors of enlightenment (bojjhanga),
the Noble 8-fold Path (s. magga).
In M.77 all the 37 bodhipakkhiya-dhammā are
enumerated and explained though not called by that name.
A detailed explanation
of them is given in Vis.M. XXII. In S.XLVII, 51, 67, only the five spiritual
abilities (indriya) are called bodhipakkhiya-dhammā; and in the
Jhāna-Vibhanga, only the 7 factors of enlightenment (bojjhanga).
See The Requisites of Enlightenment, by Ledi Sayadaw