In the video, a person is seen using a knife to chop an onion on a wooden cutting board. The person is holding the onion with one hand and using the knife with the other hand to make quick, precise cuts. The onion is being cut into small pieces, and the person is moving the knife back and forth to make sure the onion is evenly chopped. The cutting board is placed on a countertop, and the background is blurred, but it appears to be a kitchen setting. The person's hands are steady, and they seem to be experienced in using a knife. The onion is white, and the knife has a silver blade with a black handle. The video is shot from a top-down angle, and the focus is on the person's hands and the onion.