16. The system of claim 14 , wherein the one or more parameters comprise rule parameters indicating placement of text of the overlay with respect to the electronic content item and characteristic parameters indicating style of the text of the overlay.
16. The system of claim 14 , wherein the one or more parameters comprise rule parameters indicating placement of text of the overlay with respect to the electronic content item and characteristic parameters indicating style of the text of the overlay. 17. The system of claim 16 , wherein the rule parameters comprise at least one of a spacing parameter, a placement parameter, a widow/orphan parameter, a character-spacing parameter, a hyphenation parameter, a boundary parameter indicating at least a boundary of the overlay, a special character parameter, a text flow parameter, or a directional text parameter; and the characteristic parameters comprises at least one of a text parameter, a font parameter, a size parameter, a non-text element parameter, a color parameter, or a text style parameter.