The video shows a person cutting an onion on a wooden cutting board. The person uses a knife to cut the onion into thin slices. The onion is white and appears to be fresh. The cutting board is made of wood and has a smooth surface. The knife used for cutting is sharp and has a silver blade. The person's hands are visible in the video, and they are wearing a ring on their left hand. The video is shot in a well-lit room, and the background is blurred.