[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] maintenance mathematics MDA 2nd 3rd MDA framework 2nd MDA process message message operator messaging 2nd metaclass metamodel 2nd metatypes minus 2nd MML MML 0 characteristics MML 1 characteristics MML 2 characteristics MML 3 characteristics MML 4 characteristics MML 5 characteristics model different kinds Model Driven Architecture model entity model repository model types modeling language modeling languages Modeling Maturity Levels models mortgage system |