Pinyin: Tong1 zhou1 Definition: Tongzhou district east of Beijing, formerly Tong county/Tongzhou county level city in Nantong ๅ้[Nan2 tong1], Jiangsu
Pinyin: tong1 xing2 zheng4 Definition: a pass (authorization through a checkpoint)/a laissez-passer or safe conduct/to authenticate/to confirm name and password on a website/fig. a condition giving access to benefits (e.g. a diploma as a pass to a career)
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.