In the video, a person is seen holding a piece of paper with a diagram drawn on it. The diagram consists of a horizontal line with three rectangles drawn on it. The person is using a pencil to point to different parts of the diagram, presumably explaining what each part represents. The person's hand movements suggest that they are explaining the diagram in detail. The video does not provide any audio, so the exact content of the explanation cannot be determined. However, the person's gestures indicate that they are likely discussing the diagram's structure or function. The video is shot in a well-lit room, and the person's hand movements are clear and deliberate.