The document discusses various types of bonds, preferred stocks, and common stocks. It begins by defining basic bond terms like principal amount, coupon rate, maturity date, and bond ratings. It then describes different types of bonds such as secured bonds (mortgage, equipment trust), unsecured bonds (debentures, subordinated), and bonds classified by coupon payments (zero coupon, fixed-rate, floating-rate) or issuer (government, municipal, corporate). The document also discusses bond retirement methods like sinking funds, serial bonds, and call provisions.