The document discusses how to design websites to encourage users to take specific actions, such as becoming a member, making a donation, or signing up for an event. It covers setting goals, choreographing the user experience through clear paths and steps, anticipating what users need, and measuring success. Examples are provided for how to guide prospective members through the membership process, encourage donations, and allow online event RSVPs. The importance of testing, measuring, and refining based on data is emphasized.