In the video, a person is seen decorating a cake. The cake is rectangular in shape and has a light brown color. The person is using a piping bag filled with pink frosting to outline the cake. They start by piping the frosting along the edges of the cake, creating a border. Then, they fill in the center of the cake with more frosting, using a back-and-forth motion to spread it evenly. The person's movements are precise and careful, ensuring that the frosting is applied smoothly and without any visible imperfections. The video provides a clear view of the cake decorating process, showcasing the person's skill and attention to detail.