This document discusses knowledge management and related topics. It begins with an introduction to knowledge management, defining it as capturing and using a company's collective expertise. It then discusses different definitions and aspects of knowledge management. The document also discusses the relationship between management information systems and knowledge management. It explores various types of information and how they relate to knowledge management systems. Finally, it provides a brief history of knowledge management, tracing its development from earlier management theories through its emergence as a distinct field in the late 20th century.