This document discusses key terms in negotiating a Series A term sheet. It covers control terms such as board composition, investor protective provisions, information rights, vesting of founders' equity, rights of first refusal and co-sale, and drag-along rights. It also discusses economic terms that will be covered in the next part, including valuation, dividends, liquidation preference, anti-dilution, and registration rights. The document provides explanations of common approaches to these various terms and highlights important issues to consider in negotiating them.