Pinyin: Jiang1 nan2 Definition: south of Changjiang or Yangtze river/south of the lower reaches of Changjiang/often refers to south Jiangsu, south Anhui and north Zhejiang provinces/a province during Qing times/in literature, refers to the sunny south
Pinyin: Hai3 nan2 Definition: Hainan Province, in the South China Sea, short name 瓊|琼[Qiong2], capital Haikou 海口/Hainan Island/Hainan District of Wuhai City 烏海市|乌海市[Wu1 hai3 Shi4], Inner Mongolia/Hainan Tibetan Autonomous Prefecture 海南藏族自治州[Hai3 nan2 Zang4 zu2 Zi4 zhi4 zhou1], Qinghai
Decomposition Levels: Level 1: Only divided once. So only two components. Level 2: Radical Decomposition. The character gets decomposed into its lowest radical components. For the complete list visit the Radical wikipedia page. Level 3: Graphical Decomposition. Shows all the strokes & lowest level of components that make up the character. If you see questions marks or too many "block" characters, especially when it comes to level 3 decomposition you might need the correct font.