The Saving Aspects of Morality?
The Primary Aspect of Morality is:
Composing
internal consistency in all behaviour...

The Dual Aspects of Morality are:
Keeping
the rules and avoiding wrongdoing...
Good
behaviour and mental purification...
Good intention and complete self-control...
Dependent
on prompting or own initiative...
Limited
in extent or unlimited in extent...
Temporary
& feeble or lifelong & stable...
Ordinary=Mundane
or Supramundane=Noble...

The Triple aspects of Morality are:
Low,
or medium, or
superior...
Giving
first priority to oneself, or to the world, or to the Dhamma...
Clung
to, or not clung to, or naturally & spontaneously maintained...
Pure,
or impure, or
dubious and doubtful...
The
learner's, the learned's, or the neither-learner-nor-learned's...
Audio: Moral Purity is Prime
Podcast:
https://soundcloud.com/bhikkhu-samahita/essential-is-virtue-sila


The Quadruple aspects of Morality are:
Leading
to falling, to stagnation, to distinction, or
to penetration...
That
of Bhikkhus, or Bhikkhunis, or novices, or
the laity...
Being
natural, customary, necessary, or caused by
prior events...
Regarding
the rules, the sense doors, livelihood, or
the requisites...


The Fivefold aspects of Morality are:
Limited,
unlimited, completed, detached, and tranquillized
purity...
Intending,
refraining, controlling, leaving, and
non-transgression...
These
are the various inherent aspects of Morality...


Source: The Path of Purification: Visuddhimagga.
Written
by 'the great explainer' Ven. Buddhaghosa in 5th century AC.
https://What-Buddha-Said.net/library/pdfs/PathofPurification2011.pdf
More on this basic first cause of all Good: Morality (Sīla)!
https://What-Buddha-Said.net/drops/II/Happy_Habit.htm
https://What-Buddha-Said.net/drops/II/What_is_Virtue.htm
https://What-Buddha-Said.net/drops/V/immaculate_virtue.htm
https://What-Buddha-Said.net/drops/II/Best_Protection.htm
https://What-Buddha-Said.net/drops/V/The_Good_Disciple.htm
https://What-Buddha-Said.net/drops/III/The_Five_Basics.htm
https://What-Buddha-Said.net/drops/Best_Buddhist_Praxis.htm
https://What-Buddha-Said.net/drops/IV/Sila_Contemplation.htm