The video shows a person's hand pointing to different parts of a diagram on a piece of paper. The diagram consists of three circles connected by lines, forming a triangle. The circles are labeled with the words "Dond," "Bond," and "Bond." The person's hand moves from one circle to another, pointing to the lines that connect them. The background is white, and the circles are black. The hand is visible throughout the video, and the person appears to be explaining the diagram.