1. A hardware device for analyzing a document including a text-based visual representation, comprising: a correspondence information hardware storage device, wherein the correspondence information hardware storage device holds known representations of graphical images as text-based visual representations, wherein the graphical images depict portraits of physical objects, and wherein the text-based visual representations are associated with information that each describe one of the physical objects; an identification hardware device for identifying a text-based visual representation within a document, wherein the identification hardware device matches the text-based visual representation within the document to one or more of the text-based visual representations stored in the correspondence information hardware storage device; and an editing hardware device, wherein the editing hardware device retrieves information from the correspondence information hardware storage device that is identified, by the identification hardware device, as describing a text-based visual representation component within the document, and wherein the editing hardware device displays the text-based visual representation component within the document and information that describes the text-based visual representation on a display.