Business Rule		set of functions intent to ensure the proper operation of a system
Control		process in which the system regulates itself
Electronic data intercharge		structured, electronic transmission of data between an organization
Equifinality		a system that is part of a larger system
Feedback		Statement that defines or constrains an aspect of business with the intent of controlling behaviors within the business
Information systems		combination of technology, people and processes that is directed towards the collection, manipulation, storage, retrieval and communication of information
open system		system that collects, monitors, processes, reports, and stores data generated by an organization's transaction
subsystem		a system that interacts with the environment
system		the idea that in an open system there are many different path with potential outcomes
transaction processing systems		set of interacting components that work together to form a complex whole by taking inputs and processing them to produce outputs