A display should be provided to show an overview of the structure of an information space, such as a display network or a large display page.
Additional Information:
Overview displays can support visualizing portions of the organization that are not currently in view and help users to understand the relationships between current and target positions relative to each other and the overall organization. For example, the overview may depict the arrangement of a display network and important display pages within the network. Overview displays, as used in this context, should not be confused with displays that provide summarize important plant status information.