This document provides an overview of key concepts in political science. It defines politics as "who gets what, when and how" and notes that political scientists study power and its distribution. Power is the ability to influence or impose one's will on others. The document distinguishes between politics, which concerns the distribution of power and resources in society, and government, which is the system for exercising authority. It also contrasts different economic systems from laissez-faire to socialism and social democracy. Finally, it outlines different forms of government ranging from monarchy to different types of democracy.