This section will give you insight into the 3LGM² metamodel.

1. [Domain Layer](02. 3LGM² Metamodel/01. Domain Layer)
2. [Logical Tool Layer](02. 3LGM² Metamodel/02. Logical Tool Layer)
3. [Physical Tool Layer](02. 3LGM² Metamodel/03. Physical Tool Layer)
4. [Inter-Layer-Relationships](02. 3LGM² Metamodel/04. Inter-Layer-Relationships)
5. [Coarsening and Refining](02. 3LGM² Metamodel/05. Coarsening and Refining)