1) The document discusses various traditional and modern printing techniques including etching, linocut, screen printing, lithography, letterpress, gravure, screen process, photocopying, laser printing, and inkjet printing. 2) Traditional techniques like etching involve using acid to cut designs into metal, while linocut uses wood covered with linoleum to create relief prints. 3) Modern digital techniques include laser printing, which uses a laser beam to produce high-quality text and graphics, and inkjet printing, which creates images by propelling ink droplets onto a substrate.