Graham, thank you for this explanation, but I’m not quite grasping what to do. I have turned on masking, and created a rectangle mask. But I don’t understand where to grab it to move it? A video tutorial would be most helpful, not just a video of the final result. My goal is to not show one side of Video track 1, but instead replace that side with Video track 2. I don’t need to animate the mask, just have it in place, very near the center of the screen. Thank you Sir for your time, and assistance.
Rob,
https://www.robjames.net