...
Video Upload: A mandatory step where users need to provide a video file that meets the system’s criteria for format, size, and duration, ensuring effective display and storage.
Thumbnail Upload: An optional step that offers users the opportunity to provide a custom thumbnail. The system's automatic thumbnail generation from the uploaded video simplifies the process for users who choose not to upload a custom thumbnail. Thumbnail images must occupy 100% of the container width and align to the top of the container. If the user uploads a new file for the resource a new thumbnail will be auto-generated to accurately reflect the new resource.
Subtitles Upload: An additional optional step that significantly enhances video accessibility. Users are encouraged to upload subtitle files if available, though there is no automatic generation capability for this element.
...