It creates an outline of a web or mobile app. While demonstrating the structure, content, and functionality that will exist on the pages, it gives you the skeleton structure of your desired app or website.
At this stage, the behavior of the product is demonstrated. You will get to know how it would work in the real world. We design low-fidelity and fully-interactive prototypes.
It works as the skin of your product. A UI concept includes color schemes, layouts, typography, and the overall style of the product.
It is when the design material is handed over to the development team to implement the app or website. As both teams are located in the same office, design handoff happens fast and smoothly.