All wing chun (ving tsun, wing tsun, yong chun) systems work on the same principles. Some systems have variant versions of the three main forms, while other variations add forms.
But the keys are: efficiency, economy, elbow position, the centerline, the 4 gates, simultaneous block and attack, going for the vital points, etc. Commit to a solid year to get the basics down as well as you can, then see you well you like the art. The art of
wing chun is a facinating journey.
Your movements must be simple and direct.