Conceptual Design for Interactive Systems

Chapter 6

The Navigation and Policy Layer

Abstract

The term “navigation” describes how users get from one place to another. The term “navigation map” represents the route instructions, as it were, throughout the conceptual model. The conceptual navigation map shows “routes” the user can or is required to take through the configuration to perform and conclude all the required steps for accomplishing a goal. The correspondence between the metaphorical “places” and their physical location is significant when we determine that physical location, the “distances” between “places,” and the navigation among them. Effective map and route instructions must include the rules that govern the navigation, which we refer to as the navigation policy. The ...