is about relational information display performance summary display Cooper Stansbury, John Rincon, Dahee Lee, Zach Landis-Lewis, Colin Gross A relational information display whose display components bear some combination of sets (roles): ascribee set, performance measure set, performance set, or time set. All subclasses of 'performance summary display' are defined classes based on cardinality of marks that realize specific represented set roles. It is the authors current belief that the necessary and sufficient definiton of 'performance summary display' mandates that at least two set must be realized. represented set