119 Chapter 15. Organizing Requirements Information Key Points · For nontrivial applications, requirements must be captured and recorded in a document, database, model, or tool. · Different types of projects require different requirements organization techniques. · Complex systems require that requirements sets be developed for each subsystem. Whether expressed as user needs, a list of features, a storyboard, a set of use cases, or another format, requirements must be captured and documented. If you were the sole developer for a system on which you will also be the sole user and maintainer, you might consider designing and coding it