In the video, a person is using a blue ruler to draw a line on a white piece of paper. The ruler is held in place with the person's left hand, and the right hand is drawing the line with a pencil. The person is making a series of straight lines, and the ruler is used to ensure that the lines are parallel to each other. The video is shot from a top-down perspective, and the focus is on the person's hands and the paper. The background is not visible, and there are no other objects or people in the frame. The lighting is bright, and the colors are clear and distinct. The person's movements are steady and precise, indicating that they are experienced in drawing straight lines.