The document discusses understanding credit, including defining different types of credit like revolving and installment credit. It covers secured vs unsecured loans, interest expense including simple, accrued and compound interest. The five C's of credit are discussed as well as credit scores and how to obtain a credit report. Tips are provided on how to improve a credit score such as paying bills on time and paying down credit card balances. When to use credit for things like credit cards, vehicles and housing is covered. The document concludes with how to protect credit by obtaining credit reports, disputing mistakes, and protecting personal information.