In the video, a person is seen using a ruler and a pen to mark measurements on a piece of fabric. The person is holding the ruler with one hand and using the pen with the other hand to make marks on the fabric. The fabric is laid out flat on a surface, and the person appears to be measuring and marking it for a specific purpose, possibly sewing or crafting. The person's movements are precise and deliberate, indicating that they are experienced in this task. The video provides a clear view of the person's hands, the ruler, and the fabric, and the sound of the pen on the fabric can be heard.