This document discusses key terms in a term sheet for startup funding. It explains typical funding stages from seed to series C and outlines economic and control interests that need to be negotiated between common stockholders and preferred stockholders. Key terms discussed include valuation, liquidation preference, founder lock-in, vesting, anti-dilution, preemptive rights, tag along rights, and exit rights. Economic interests focus on how liquidation preferences work and examples are provided. Founder lock-in and vesting curves are also explained.