The concept of knowledge management concerns the creation of structures which combine the most advanced elements of technological resources and the indispensable input of human response and decision-making. This paper reviews key principles for creating and maintaining the knowledge base, and resources for teaching and learning. The discussion covers the clarification and definition of several terms, including information, knowledge, data and filtering. Various elements of knowledge management in the business environment are addressed by discussing the sources that present them, and, where relevant, are applied to the education context.