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Hypertext Considerations
 Total content domain with respect to workflow
 An information map that is pertinent to performer tasks and performer diversity
 Content hierarchy consisting of nodes of information
 Explicit and implicit structures (especially the implicit ones!)
 Entry points
 Structural and semantic encoding
 Reachability
What is a node of information?
 A node (or unit) is the smallest information element of a hypertext.
 Nodes are unique to a hypertext to the greatest extent possible (i.e. hypertexts are normalized).
 Nodes make sense in and out of context.
The example below shows a node diagram from the financial services industry. It is a hierarchy of information in the category of Asset Classes. Think of each box as a container for paragraphs of information, analogous to how a relational database has data element containers. The node diagram defines how information is stored, maintained, and linked in the performance-centered interface.
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