Abstract: The chapter will contain 5 paragraphs, covering the following topics:
1. organization of knowledge (information retrieval, nodes and links in hypertext)
2. interface design (orientation, metaphors, navigation, agents and guides)
3. frameworks and methodologies (Dexter model, Trellis model, HDM+)
4. scripting languages (Hypercard, Script-X, Toolbook, HTML, Windows Help/RTF)
5. design process (waterfall, hierarchical, prototyping).