Like models are abstractions of some reality, metamodels are abstractions of designs. The continuation of the abstraction contributes to meta metamodels, becoming styles of metamodels made up of statements about metamodels. Metamodeling may be the exercise of developing metamodels (and metametamodels). Metamodeling is applied to design new modeling languages and https://www.youtube.com/watch?v=5LF34uf-LC4