In the video, a person is seen chopping an onion on a wooden cutting board. The person is using a knife to chop the onion into small pieces. The cutting board is placed on a table, and there is a glass bowl nearby. The person is wearing a black shirt, and their hands are visible as they chop the onion. The onion is purple and white, and the knife is silver. The person is chopping the onion with precision and care, ensuring that the pieces are even in size.