Commentary Practical and theoretical problems with mapping design tradeoffs Pushing Us into the Map Russell Borland Redwood Valley, CA 95470 revisionary@saber, net The importance of Patricia Wright's contribution in "Designing Information-Supported Performance: The Scope for Graphics" cannot be overstated. When Wright states, "media differ in their affordances and.., documentation may need to encompass several media if it is to support readers adequately," she points toward crucial questions for all documenters. ¢ What medium (text, graphics, audio, video, and so on) is best for presenting information about various tasks to various audiences? ¢ If documenters have to reach a varied audience and teach varied tasks, what tradeoffs produce the most effective documentation? these questions: What element (text block, picture, numbers, label, graphic, icon, table, embedded object) or approach (text procedure, description, iconic instruction, reference article, video, audio, animation) is most appropriate... ¢ for this type of product or service? * ¢ for this type of information about the product or service? for the audience of the product or service? Affordance is a term that has crossed into documentation in the last few years. Wright doesn't give us a definition of affordances-she uses the word only once, and rather too
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