This document provides an overview of key concepts in Islamic finance based on Shariah principles. It discusses the Shariah framework including ibadah (acts of worship), muamalat (civil transactions), and criminal law. It then covers the philosophy of Islamic finance based on concepts like tauhid (monotheism), purification, accountability on judgement day, and human stewardship. Finally, it outlines characteristics of Shariah-compliant finance and prohibitions like riba (interest), gharar (uncertainty), and maisir (gambling).