This document provides an overview of capitalization tables and related topics. It begins with an explanation of actual and pro forma capitalization tables, including the key components of each. It then discusses the different types of securities that can be on a capitalization table like common stock, options, and convertible debt. The rest of the document reviews who is typically included on a capitalization table such as founders, employees, investors. It also covers related topics like vesting, anti-dilution protection, an example Series A term sheet and pro forma capitalization table. The document aims to provide a comprehensive introduction to understanding and working with capitalization tables.