The art or process of printing with arranged type. Also, the general character or appearance of printed matter. The function of typographic style is that the visual structure must accurately represent the logical structure, so the reader will understand the author's ideas. No less than any other syntax, a logical argument or mathematical formula is a coherent grammatical unit in typographical style. See bowl, ear, finial, stem, kern, serif, crossbar, stroke, apex, aspect ratio, hint, font, typeface, type noise, legibility, readability.