5.3 Conclusion

Understanding high-level design elements is critical when you're creating a framework for the detailed design. Many of the design choices you make at this stage present trade-offs. Which is more important: the clarity of directed dialog, or the flexibility of mixed initiative? The efficiency and naturalness of rapid reprompt, or the informative nature of escalating detail? The universal access of information inherent in delayed login, or the personalization afforded by up-front login? You need to weigh each of these choices before you make any definite decisions.

Chapter 6 discusses the design of a persona for your application one part of the high-level design that is unique to voice user interfaces.