Enterprise integration is a technical field of enterprise architecture, which is focused on the study of topics such as system interconnection, electronic data interchange, product data exchange and distributed computing environments.
Generalised Enterprise Reference Architecture and Methodology (GERAM) Framework for Enterprise Integration.
Enterprise modelling is the abstract representation, description and definition of the structure, processes, information and resources of an identifiable business, government body, or other large organization.
Example of a function model of the process of "Maintain Reparable Spares" in IDEF0 notation.