In the video, a person is seen cutting an onion on a wooden cutting board. The onion is initially whole, but as the video progresses, the person cuts it into smaller pieces. The person's hands are visible, and they are using a knife to chop the onion. The cutting board is placed on a countertop, and there are other ingredients visible in the background. The person's movements are precise and careful as they cut the onion into even pieces. The lighting in the video is bright, and the colors are vibrant, with the green of the onion contrasting against the brown of the cutting board.