When a solid, stable framework definition is reached, designers see the remaining pieces of the design begin to smoothly fall into place: Each iteration of the key path scenarios adds detail that strengthens the overall coherence and flow of the product.

• 完成了坚实并稳定的架构定义之后，接下来的工作便开始变得明朗起来，每次关键线路场景剧本的重复都会让设计整体更加一致连贯。