A mockup is and how designers use them to show off their designs. If the Mockup is presented on Image then it is called as Image Mockup and if the Mockup is presented as on a Video then it is called as Video Mockup.
After designing you can create your own story, using already edited scenes. This is the best way to demonstrate your product or service. Create Your story using these video mockups. Drop your Image or your Video into screen holder.