The document provides an overview of Islamic finance principles. It discusses the primary and secondary sources of shariah law and covers proofs for the permissibility of trade in Islam. The key pillars of Islamic business contracts are explained as well as conditions and options within contracts. Forbidden transactions like riba (interest), gharar (uncertainty), and maisir (gambling) are defined. Modern financial instruments and banking concepts are analyzed through an Islamic lens. Common Islamic finance contracts involving murabaha, musharaka, mudaraba and ijarah are also defined.