Topic: file directory
Topic: hierarchical structures
Group: types of user interfaces
Topic: raster graphics
Quotation Skeleton
Tree maps let users see (and hear) two … node is represented by a rectangle whose location … represents a second attribute and sound a third. … [e.g., Johnson and Turo's TreeViz sets area to file size, color to application type, and sound to file age] … [Users] can then apply their human perceptual skills …
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