The effect of the medium on the available bandwidth for: data transmission, audio and video streaming services, ultra-high definition television systems

Why typical features found in video editing software are used, including: trimming and cropping a video clip, creating text-based slides, creating credits, adding captions and subtitles, adding fading effects, extracting a still image from a video clip, inserting a still image, editing audio within a video clip, exporting a video clip in different file formats, compressing a video to different resolutions