The video shows a person cutting an onion on a wooden cutting board. The person uses a knife to slice the onion into smaller pieces. The onion is white and appears to be fresh. The cutting board is light brown and has a smooth surface. The knife has a black handle and a silver blade. The person's hands are visible, and they are wearing a white shirt. The video is shot from a close-up angle, focusing on the action of cutting the onion.