The present invention deals with guided writing and printing systems, and variable display assemblies, for signs, illustrations, etc., using: guiding points at the main intersections of the lines of a common symbol representing a group of symbols, letters or figures, etc., and display means in between; holding means at the said guiding points and tie lines in between; grooves, raised tracks, magnetic tracks, stretched strings, etc., in between the said guiding points and fillers, coverings, markings, etc., along the lines of the symbols to be displayed; colorless markings; pen markings; bars, inking elements, etc., connected or display the required symbols; series of lights on electric wires in between said guiding points, light sources located at the guiding points . |