The video shows a person cutting a purple onion on a wooden cutting board. The person is using a knife to chop the onion into small pieces. The onion is cut into thin slices, and then the slices are further chopped into smaller pieces. The person's hands are visible in the video, and they are wearing a ring on their left hand. The cutting board is made of wood, and the knife has a silver blade and a black handle. The onion is purple in color, and the person is wearing a white shirt.