Graphical navigation is clear and easily read. Graphical navigation has consistent look and feel. Graphical navigation has logical placement. Navigation has links to key site landmarks. Navigation provides context to information presented.
Navigation provides understanding of site organization.
Now, think about your own site. In the exercise following Module 1. This outline was formulated by creating relationships between discrete information chunks. Based on that outline, begin devising your navigation scheme. Keep in mind the use of colors as well as the placement of navigational objects.