1. A method of converting a complex two dimensional graphical hierarchy of signal values for more convenient processing and/or storage, said complex two dimensional graphical hierarchy being in the form of a tree hierarchy, said method comprising: accessing instructions from one or more physical memory devices for execution by one or more processors; executing said instructions accessed from said one or more physical memory devices by said one or more processors; storing, in at least one of said physical memory devices, signals values resulting from having executed said instructions on said one or more processors; said accessed instructions to transform complex two dimensional graphical hierarchies; and wherein executing said transformation instructions further comprising: accessing, from said one or more physical memory devices, signal values representing an unlabeled complex two dimensional graphical hierarchy; transforming said signal values representing said unlabeled complex two dimensional graphical hierarchy to signal values representing a labeled complex two dimensional graphical hierarchy, said unlabeled complex two dimensional graphical hierarchy and said labeled complex two dimensional graphical hierarchy being elementary equivalents; and storing said signal values representing said labeled complex two dimensional graphical hierarchy.