In this video, a person is seen preparing a dish by cutting an onion on a wooden cutting board. The person starts by placing the onion on the board and then proceeds to chop it into small pieces using a knife. The knife is visible in the foreground of the video, and the person's hands are shown as they cut the onion. The background is blurred, but it appears to be a kitchen setting. The person's movements are deliberate and careful as they slice the onion into even pieces. The sound of the knife cutting through the onion can be heard in the background. Overall, the video provides a clear demonstration of how to properly chop an onion for cooking purposes.