Complex sentence: In 2013 Coutts replaced its purple'World' charge card designed by Savile Row tailor Ozwald Boateng, with the new "Silk" card, the design is based on the traditional Chinese wallpaper which lines the walls of the boardroom at the Strand Headquarters.
Split into simpler sentences: In 2013 Coutts replaced its purple'World' charge card designed by Savile Row tailor Ozwald Boateng, with the new "Silk" card. The design of the is based on the traditional Chinese wallpaper which lines the walls of the boardroom at the Strand Headquarters.