Every enterprise and business today consists of information systems.
But not every enterprise or business is aware of what information systems there are. Or that they have views (stakeholder-specific visualization) of their information systems.
What is an Information System?
An information system is more than only a group of software applications and databases.
An information system is the coherent set of people, procedures, data, IT infrastructure and software applications that collects, processes, stores and communicates data for transaction processing at an operational level and information to support management decision-making.
Building Information Systems
This is a page of an example on how to build an information system for managers.