Every enterprise and business today consists of information systems.
But not every enterprise or business knows the information systems that exist. 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 a coherent set of people, procedures, data, IT infrastructure, and software applications that collect, process, and store. It 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.