This document provides an overview and lessons for a training course on Microsoft Visio 2003. The course covers the basics of Visio, including an overview of what Visio can do, making a first diagram, and learning about the Visio environment. Lesson 1 discusses the different types of diagrams that can be made in Visio, such as flowcharts, organization charts, and network diagrams. It also covers the different editions of Visio and their capabilities.