Chapter 8. User Interface Design and Ease of Use

This chapter and the next two are about detailed design, the three boxes in the middle of the six-box design (illustrated in Figure 2.1). The assumption is that the context design is done and therefore the tasks, user groups, and data tables have been described, and the relationships between tasks have been documented. The integration design has also been done, the tasks have been assigned to applications and services, and data tables have been assigned to databases. The user interface design applies to a single application.

From now on, down the boxes so to speak, the applications and services can be designed separately from each other with only a loose degree of coordination. If that turns out ...

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