Having a slanted direction. Any straight edge or line that is neither horizontal nor vertical is diagonal. A diagonal cut or fold of woven fabric is said to be "on the bias."Examples of works with bold diagonal elements:Francisco Goya (Spanish, 1746-1828), The Forge, between c. 1815 and 1820, oil on canvas, 71 1/2 x 49 1/4 inches (181.6 x 125.1 cm), Frick Collection, NY. See Romanticism and expression.George Wesley Bellows (American, 1882-1925), Stag at Sharkey's, 1909, oil on canvas, 36 1/4 x 48 1/4 inches (92 x 122.6 cm), Cleveland Museum of Art. See Ashcan school.A. M. Cassandre [pseudonym of Adolphe Jean-Marie Mouron] (born in the Ukraine 1901, died 1968, worked in France and the USA), L?Intransigeant, Le plus fort, 1925, lithograph in black, blue, red and gold inks, Kunstbibliothek, Berlin. See poster. James N. Rosenberg (American, 1874-1970), Oct 29 Dies Irae ("Days of Wrath"), 1929, lithograph, printed by George Miller, Library of Congress, Washington, DC. Rosenberg was a bankruptcy lawyer in Manhattan who also studied lithography. Having witnessed the morning the stock market's most famous crash, Rosenberg spent the second half of that day producing this picture. Rosenberg's liberal use of diagonal's in the composition magnifies the intensity of the anxiety it expresses.American, Federal Art Project (FAP), New York, Fruit Store, c. 1941, poster, Library of Congress, Prints & Photographs Division, WPA Poster Collection, LC-USZC4-5064.