[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] mechanism metamodel A metamodel is a model of a language expressed using a modeling language. model compiler 2nd 3rd 4th 5th 6th 7th 8th 9th bridging to constraints exact time transaction model management model-driven architecture 2nd 3rd |