This is the first lecture in a course on Financial Institutions at Prince Sultan University in front of an MBA class in 2009. The first lecture discusses the basics of commercial banking. Commercial Banking, Sources of Funds, Uses of funds, Transaction Deposits, Demand Deposits, Time Deposits, Checking Account, NOW Account, Interest-Bearing Account, Savings Deposit, Passbook Savings, Reg Q, ATS Account, Retail CD, Negotiable CD, Exotic CD, MMDA, Fed Funds, Doscount Loans, Discount Window, Discount Rate, REPOs, Eurodollars, Bank Capital, Capital ratio, Capital Adequacy, Basel II, Regulatory Arbitrage, WACC,