4. The method of claim 2 further comprising: second detecting that the particular result label displayed in the legend has been selected; and responsive to said second detecting, augmenting the visualization to include explanatory information pertaining to the particular result.
2. The method of claim 1 wherein the visualization further includes a legend, and at least a portion of the legend is a string pointer for a selected one of the result labels such that, when the particular primary graphical element has been selected, the legend displays a particular result label corresponding to the particular result.