In the video, a person is seen cutting an onion on a wooden cutting board. The person is using a knife to chop the onion into small pieces. The onion is white in color and appears to be fresh. The person's hands are visible, and they are wearing a black ring on their left hand. The cutting board is placed on a kitchen counter, and there are other vegetables visible in the background. The person's movements are precise and careful as they cut the onion into even pieces.