rèus promittèndi - a party to the contract who undertakes obligations.
reus stipulàndi - the party to the contract to whom the obligation is assumed.
sàlus pòpuli suprèma lex est - the good of the people is the highest law.
sànctio - approval, power, coercive measure, sanction as part of a legal norm.
secùndum aèquum et bòno - according to justice and goodness.
secùndum nòrmam lègis - according to the norms of law.