"Modeling" or "rapid prototype" Prototyping is a crucial step in the development of digital products, such as apps or websites. This step consists of the creation of interactive visual models that allow testing and improving the user interface and user experience. Prototyping can include functionality such as navigation, layout of interface elements, interaction, or site content. By using prototyping tools, designers can easily explore different ideas and test their feasibility before starting to code. Prototyping is an effective way to identify and resolve potential issues before going into production, which can help save time and resources, as well as improve the quality of the end user experience.