A slice is a set of attributes belonging to a given entity. An attribute can be part of number slices. Each entity has a distinguished slice, called the entity's head , that is to be used as a default entry point for incoming access constructs. Slice design context. This context helps developers specify the navigational features of an application.
Designers specify menu-like structures using groupings, indices and guided tours.
Designers also decide here what relationships will be navigable in the final application. The diagram appearing in Figure 5 is an RMD diagram, which models access paths. Presentation is the opening screen, from which a Faculty and Courses indices are reachable. When activated, these facilities automatically generate a web of nodes and links. Facilities to manipulate the node-link web itself.