Mockups are visual guides that represent the structure and look of a product, used to review a design and promote collaboration. Coursera's mockups catalogue teaches you practical skills for creating comprehensive and effective mockups. You'll learn how to deliver visual representations of user interfaces for websites or applications, plan the layout and interaction of an interface, and effectively communicate design ideas. This skill will enable you to seamlessly transition between the stages of product development, from conceptualization to actualization, while ensuring that all stakeholders are aligned with the design vision.