precepts — a commandment or direction given as a rule of action or conduct.
proverbs — a word that can substitute for a verb or verb phrase, as do in They never attend board meetings, but we do regularly.
morals — of, relating to, or concerned with the principles or rules of right conduct or the distinction between right and wrong; ethical: moral attitudes.
rules — a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess.