This document provides an overview of the key concepts in geography. It explains that geography helps make sense of the world by understanding how people and environments interact. It outlines the two main branches of geography as physical geography, which examines natural features, and human geography, which studies how people organize and interact with places. Finally, it discusses some of the tools geographers use like maps and asking questions to analyze locations, places, regions, physical and human systems, and environmental and societal interactions.