International business refers to the exchange of goods, services, and capital across national borders. It involves various activities such as importing, exporting, and investing in foreign markets. Companies engage in international business to expand their reach, access new customers, and take advantage of different economic conditions. This field encompasses various aspects, including trade agreements, global supply chains, and cultural differences. Understanding international business is essential for companies like Apple or Toyota, which operate in multiple countries. It also involves navigating regulations and tariffs imposed by different governments, making it a complex but rewarding endeavor.