... Problem Many web applications start out empty because they rely on users to pro-vide data (e.g., a defect-tracking application, online calendar, to-do list, etc.). Although the application pages ... within web applications need to be readily available and understood by users. Additionally, users should be able to navigate quickly among major sections from anywhere within the web application. ... consistent way to navigate to main application functions and place them in a consistent and salient manner on all application pages ( Figure 5.1 ). Why For web applications, primary navigation...