An Internet based spatial overview should show interdependencies among ventures and actors. It should include at least information about space, time, resources and organization on hierarchal and modular structure. This overview should be graphical oriented.
The proposed solution should sustain the basic concept of hypermedia. Therefore, it should keep the rule "different places, different times and different roles". An information model serves as the common language among participants. It includes information elements, functions and rules. It also covers the structure of a user interface. It is operating system and software independent.
This overview is a strategic tool in complex planning situations, and to implement it different aspects of the planning process should be regarded. Namely: Methodologically, Materially, Communicative and information.