 The typeface would have to be a sans-serif to match the client, narrow (but not condensed) to save space, feature strokes thick enough to withstand uneven printing but also light so that individual characters do not run together, contain clearly distinguishable glyphs for similarly shaped characters, versatile capitals and figures that are clear but not obtrusive, and curves, indentations, flares, and open joins to combat poor definition, optical illusions, and over-inking.In addition to these demands, to meet Bundespost's needs, the family would also contain three fonts