In the video, a person is seen cutting an onion on a cutting board. The person is wearing a blue shirt and is using a knife to chop the onion into small pieces. The cutting board is placed on a white countertop, and there is a yellow wall in the background. The person's hands are visible, and they are holding the onion with one hand while using the knife with the other hand to chop it. The onion is white, and the knife is silver. The person is focused on the task and is cutting the onion with precision.