单: Delicate, pure, and unadorned. Here it refers to the virtuous character or graceful appearance of a person.
Meaning: The character 'Dan' signifies simplicity and purity, symbolizing independence and focus.
邬单 (Wu Dan)
A disciple of Confucius during the late Spring and Autumn period, studied music and rites under Confucius, and expressed the view that 'extraordinary fortune is not as good as ultimate righteousness'.
田单 (Tian Dan)
A military general during the Warring States period, known for his strategic victory against the Yan army using fire oxen tactics.