This document defines and discusses key concepts related to investments including direct investing, investment analysis, portfolio management, and money markets. It defines direct investment as investing in controlling interests of foreign businesses. Investment analysis evaluates investments for profitability and risk, while portfolio management determines optimal investment mixes. The document also defines money markets as markets for short-term financial instruments like treasury bills, certificates of deposit, commercial paper, repurchase agreements, and corporate bonds. It explains that money markets are used for short-term borrowing and lending.