 It also originated the "radical-stroke" scheme of ordering characters on the number of residual graphic strokes besides the radical.The 1627 "Zhengzitong" (正字通 "Correct Character Mastery") also used 214.The 1716 CE "Kangxi Zidian" (康熙字典 "Kangxi Dictionary"), compiled under the Kangxi Emperor of the Qing Dynasty, became the standard dictionary for Chinese characters, and popularized the system of 214 radicals.