This question aims to test your conceptual knowledge about metamodelling and its core concepts. Your answer to this question must state the core metamodel entities. However, do not limit yourself to just listing out the entities. Go ahead and elaborate on two to three concisely within the stipulated time. The TOGAF ADM's nomenclature is the foundation for the formal metamodel in the content metamodel. Metamodel in TOGAF works based on several core concepts. These core entities include data entity, function, business service, platform service, technology component, etc. Your response can be, "Metamodel uses its core entities as the basis of its formal metamodel. There are a variety of core entities. Naming some of them- Function, Data entity, Business service, Platform service, etc.". If you want to add a detailed note on some entities, you can say, "To elaborate on a few entities, (1)A function will deliver the enterprise capacity to the organization. And the (2) data entity comprises all the data recognized by a business expert, which comes mixed with repositories, services, implementation considerations, etc. (3) Business service uses a formally defined interface to provide closely aligned business functions. The organization expressly controls it".