Concept maps were used to elicit the expert’s knowledge, and at the same maps later became the explanation component of the system.

• The concept maps are linked to all types of resources that can be reached through the icons underneath the various concepts.
• By navigating through the concept maps, each learner can choose a personal path to follow that depends on the information being sought.
• Using the expert’s knowledge as a means to organize content leads to an easier navigation and searching of information