ELECTRONIC MEDIA AND VISUAL KNOWLEDGE

The real challenge of today lies in exploring how computers will enabl e us to do what was not possible previously. The paper attempts to pro voke thought about new frontiers of visual knowledge organization. Com puters introduce the possibility of interchangeable media. They offer multiple nodes of access to a given term or object. They enable us to approach knowledge on different levels. A scheme of 10 levels is propo sed and some consequences for visual knowledge at each of these levels is considered briefly. The final section of the paper considers four navigational tools: questions, maps, meters, and tracking.