Wing Chun is designed for a smaller fighter to go up against a larger opponent. It uses a lot of direct strikes to vulnerable areas like the neck, eyes and groin. It uses redirects rather than direct, force blocks.
Wing Chun Fight
There are many Wing Chun street fights where you can see this in action on YouTube.
Wing Chun Moves
The moves are fast, direct and effective. The goal is to end the fight as quickly as possible with taking the least amount of damage as possible.