Fencing refers to multiple different styles of sword fighting. Even in the most restrictive sense - the specific modern sport of fencing - there are 3 styles, i

Fencing refers to multiple different styles of sword fighting. Even in the most restrictive sense - the specific modern sport of fencing - there are 3 styles, including the saber which is held at a 45 degree angle. In the article they are using fencing more broadly to refer to a wide variety of martial arts that involve swords.