The document provides an introduction to financial systems and markets. It defines a financial system as consisting of institutions, instruments, and markets that foster saving and channel funds to their most efficient use. Financial markets and institutions both play important roles in creating a balanced financial system and driving economic growth. The document outlines the key components and functions of money markets and capital markets, including primary and secondary markets. It notes that securities and exchange boards regulate capital markets and intermediaries to protect investors and ensure orderly development.