What is Res Inter Alios Judicatae Nullum Aliis Praejudicium Faciunt?

Legal Definition
Matters adjudged in a cause do not prejudice those who were not parties to it Dig. 44, 2, L
-- Black's Law Dictionary
Legal Definition
Matters adjudged as between others effect no prejudice as to others (than themselves).
-- Ballentine's Law Dictionary