This document discusses key concepts related to international trade, including:
1. It defines import and export trade as the buying and selling of goods across country borders.
2. It outlines several terms of international trade such as bilateral, multilateral, entrepot, visible and invisible trade.
3. It discusses reasons for engaging in international trade, including differences in natural resources, geography, skills, and capital between countries. Specialization and political factors are also reasons.
4. It identifies advantages like access to goods not produced domestically and disadvantages like price fluctuations and political instability.