This document provides an overview of corporate financing, including patterns of corporate financing, common stock, debts, financial markets and institutions, and their roles. It discusses how corporations obtain internal funds from depreciation and retained earnings and external funds from stocks and debts. Common stockholders own the corporation but managers also play a role in how much firms borrow. Financial markets allow corporations to raise funds from investors worldwide, while financial institutions like banks, mutual funds, and insurance companies are major sources of financing for corporations.