In the video, a person is using a yellow and black marker to draw a curved line on a white piece of paper. The person's hand is visible, and they are holding the marker with their fingers. The line starts from the top left corner and curves down to the bottom right corner of the paper. The person's hand is steady, and the line is drawn smoothly without any breaks or interruptions. The marker leaves a thick, purple line on the paper. There is no other visible text or objects in the video.