This document discusses enterprise systems and enterprise resource planning (ERP) systems. It defines an enterprise system as one that allows information to be shared across all business functions and management levels to support business operations. Examples provided are ERP and customer relationship management systems. ERP systems specifically integrate important business processes like planning, purchasing, inventory, sales, marketing, finance and human resources. The document outlines some key factors for successful ERP implementation, as well as advantages like improved access to data and streamlined business processes, and disadvantages such as high costs and risks of implementation failure.