B-roll - is the extra footage captured to enrich the story you're telling and to have greater flexibility when editing. Example instead of featuring only talking heads on video, you want to have other images you can cut away to that will add dimension to your story.
Brand video -
Grade - the process of altering and enhancing the video image in post-production
Footage - is any material recorded on the camera
Talking head - a person, usually with only the head and upper body visible, talking to the camera or interviewer.
Testimonial - recommendation from a satisfied customer affirming the performance, quality, and/or value of a product or service.
Turnaround - The length it takes to produce a video post filming
Video - a recording of moving visual images
Video editing - is the process of editing segments of video production footage, special effects and sound recordings in the post-production process.
Videographer - a person who makes videos with a camera