• During the E-R Design a study of the relevant entities and relationships of the application domain is conducted.

• These elements for the basis of the hypermedia application and show up as nodes or links.

• Provides foundation for RMM.

• During the navigational design, relevant relationships are identified and made available for navigation.

• Since information units can have a very large number of attributes, the RMM groups the attributes into slices called M-Slices.