The document provides definitions for various terms related to the stock market and investing. It defines terms like the All Share Price Index (ASPI), Ask, Automated Trading System (ATS), Beta, Bid, Block Transactions, Book Building, Book Value (BV), Capitalization of Reserves, Central Depository System (CDS), Closing Price, Colombo Stock Exchange (CSE), Companies Act, Convertible Debenture, Corporate Bond, Crossings, Debt Securities Trading System (DEX), Dematerialization, Derivatives, Diversification, Dividend Per Share (DPS), Dividend Yield (DY), Earnings Per Share (EPS), Ex-Dividend Date ("XD"), Fair