This document provides definitions for key terms used in Islamic banking and finance. Some of the main concepts explained include prohibitions on riba (interest), gharar (uncertainty), and maysir (gambling). Permissible financing structures discussed include murabaha (cost-plus financing), ijara (leasing), mudaraba (profit-sharing), musharaka (equity partnership), and sukuk (asset-backed securities). Other terms defined are bai (sale), hawala (bill of exchange), shariah (Islamic law), and takaful (Islamic insurance).