This document discusses customer relationship management (CRM) systems. It defines CRM as managing all interactions with customers, both current and potential, through integrated business processes and information systems. A CRM system provides a unified view of customers and allows consistent messaging across sales, marketing, and service. The document lists the main components of a CRM system as sales, marketing, and service. It outlines advantages like improved customer satisfaction and profitability, as well as disadvantages such as high costs and complexity. It concludes by noting how organizations can integrate a CRM system into their operations.