In the video, a man is seen drawing a diagram on a whiteboard. He starts by drawing a square and then proceeds to add more squares and rectangles around it, creating a complex geometric pattern. The man uses a black marker to draw the shapes, and the whiteboard is positioned on a table. The background is a kitchen with various kitchenware visible. The man appears to be focused on his task, carefully drawing each shape with precision. The video does not contain any dialogue or sound, and the man's actions are the main focus.