A high technology system encompasses a number of elements like people, hardware, software, database, documentation, and process. System engineering helps to translate a customer's requirement into a model of a system which makes use of 1 or more of these elements.
System engineering starts through taking a world view. A product or business domain is analyzed to build all basic needs focus is then narrowed to a domain view where every of the system component is analyzed individually.
Every component is allocated to 1 or more engineering components that are then addressed through the relevant engineering discipline.