Complex sentence: A Functional Software Architecture (FSA) is an architectural model that identifies enterprise functions, interactions and corresponding IT needs, which can be used as reference by different domain experts to develop IT-systems as part of a co-operative information-driven enterprise.
Split into simpler sentences: A Functional Software Architecture (FSA) is an architectural model that identifies enterprise functions, interactions and corresponding IT needs. These functions can be used as reference by different domain experts to develop IT-systems as part of a co-operative information-driven enterprise.