A lot of people, including Feng Shui masters, make a mistake in the name of the great Daoist Chen Tuan 陳摶。They erroneously call him Chen Bo 陳搏 (in Cantonese, Chan Bok). This is because the two characters look very similar.
Tuan 摶 means to touch.
Bo 搏 means to fight.
In the next article I will write in more details about the name of the great Daoist.