2. The method of claim 1 , wherein identifying graphical placement relationships comprises: comparing relative graphical placement of each graphical content portion to the graphical content portions in the first layout in two dimensions to create a numerical sort order of the graphical content portions.
2. The method of claim 1 , wherein identifying graphical placement relationships comprises: comparing relative graphical placement of each graphical content portion to the graphical content portions in the first layout in two dimensions to create a numerical sort order of the graphical content portions. 3. The method of claim 2 , wherein identifying graphical placement relationships includes: identifying graphical dimensions of the graphical content portions, and identifying graphical placement of the graphical content portions relative to the two dimensions.