In the video, a person is seen cutting an onion on a wooden cutting board. The person is using a green knife to cut the onion into small pieces. The cutting board is placed on a table, and there is a metal bowl in the background. The person's nails are painted red, and they are wearing a black shirt. The onion is white and appears to be fresh. The person is cutting the onion with care and precision, making sure to cut it into even pieces.