A computer-implemented method, system, and computer program product for cross-domain mapping between a business process modeler domain and an implementation domain are provided. The method includes accessing a business concept registry on a data storage device including business concepts with mapping for the business process modeler domain and the implementation domain. The method also includes creating a model with one or more of the business concepts interconnected to represent a business process in the business process modeler domain, and exporting the model from the business process modeler domain to the implementation domain according to the business concept mapping of the business concept registry.