Pinyin: Sun1 zi3 Definition: Sun Tzu, also known as Sun Wu 孫武|孙武[Sun1 Wu3] (c. 500 BC, dates of birth and death uncertain), general, strategist and philosopher of the Spring and Autumn Period (700-475 BC), believed to be the author of the “Art of War” 孫子兵法|孙子兵法[Sun1 zi3 Bing1 Fa3], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wu3 jing1 Qi1 Shu1]
Pinyin: Sun1 Zhong1 shan1 Definition: Dr Sun Yat-sen (1866-1925), first president of the Republic of China and co-founder of the Guomintang 國民黨|国民党/same as 孫逸仙|孙逸仙
Pinyin: Sun1 Wu3 Definition: Sun Wu, also known as Sun Tzu 孫子|孙子[Sun1 zi3] (c. 500 BC, dates of birth and death uncertain), general, strategist and philosopher of the Spring and Autumn Period (700-475 BC), believed to be the author of the “Art of War” 孫子兵法|孙子兵法[Sun1 zi3 Bing1 fa3], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wu3 jing1 Qi1 Shu1]
Pinyin: Sun1 Bin4 Definition: Sun Bin (-316 BC), political strategist of the School of Diplomacy 縱橫家|纵横家[Zong4 heng2 jia1] during the Warring States Period (425-221 BC)
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.