This lesson is designed for third-year students specializing in Islamic Economy. It aims to introduce key Islamic economic terms and provide clear definitions of both Islamic and conventional economies. Students will explore the principles, practices, and distinctive features that define Islamic economy, such as the prohibition of interest, the importance of risk-sharing, and the ethical guidelines governing business and finance. Additionally, the lesson will contrast these with the characteristics of conventional economies, focusing on interest-based transactions, profit maximization, and market-driven principles. Through understanding these fundamental concepts, students will gain a solid foundation in the differences and functionalities of both economic systems, preparing them for deeper study in Islamic economic practices.