The video transcript introduces Sora, a tool designed to help users create video content by simply writing text descriptions of the scenes they want to see. The interface includes a composer at the bottom of the screen where users can input their desired scene descriptions. For example, a user might type 'a family of woolly mammoths in an open desert' to generate a video with that scene. Once the video is generated, users can hover over different variations to watch them play in real time. By clicking on a video, it is brought into a lightbox view where users can navigate through different clips using arrow keys, allowing for easy selection and comparison of video variations.