Wing Chun Kung Fu is an art that focusses on Infighting. The basics of Close fighting or Near fighting ideology of Wing Chun are Economy of Motion, Centerline protection, Forward Energy & Simultaneous Pary & Counter.
Bruce Lee first learnt Wing Chun & incorporated this into his Jeet Kune Do.
The Principles of Wing Chun allows one to adapt immediately to the size and style of an attacker.