The structure of the decision is undefined from the beginning and has to be constructed as part of the decision-making process. This chapter focuses on ten major components that systematizes the structuring of decisions. The ten major components are scope, subdivision, agency, timing, options, control ascriptions, framing, horizon, criteria, and restructuring. Conceptual tools are introduced that can be used for the analysis and management of each of these components. Risk analysis often involves the interests of many people who are affected negatively or positively to different degrees. The standard way to deal with this problem is based on utilitarian moral philosophy. In classical utilitarianism, the value of an option is equal to the sum of its values to all concerned individuals. The chapter explores the major ways to deal with lack of knowledge in the risk decision process.