This document discusses negotiation selling and provides definitions and types of negotiation. It defines negotiation as a planned discussion between two or more parties to resolve issues or come to an agreement. There are three main types of negotiation: distributive, which is competitive; integrative, which is more collaborative; and principled, which follows four stages including problem identification and objective evaluation. The document also outlines the negotiation process and different strategies that can be used depending on goals, resources, and other factors.