This document provides an introduction to macroeconomics. It begins with definitions of key economic terms like economics, microeconomics, and macroeconomics. Economics is defined as the study of how goods and services are produced, distributed, and consumed. Microeconomics examines individual agents and markets, while macroeconomics analyzes aggregated factors like production, consumption, unemployment, inflation, and economic growth at a national level. The document concludes with announcements of an upcoming quiz and assignment related to topics in macroeconomics.