This document provides an overview of an introductory presentation for a course on information graphics. It introduces various types of visual tools that can be used to compare data, show processes, relationships, and concepts. These include graphs, charts, flow charts, network maps, and more. It discusses how information graphics can visually communicate context, hierarchical relationships, and explanations through visual differences. The document also outlines the course structure, including topics to be covered each week, assignments, grading criteria, and a call for volunteers to lead case studies.