There are many ways in which UI and UX design can be used to improve conversion rates and user engagement. In general, good design can make it easier for users to find what they are looking for, understand what they are seeing, and take the actions that you want them to take.
Some specific ways in which design can be used to improve conversion rates and user engagement include:
Of course, these are just a few examples. Ultimately, the best way to use UI and UX design to improve conversion rates and user engagement is to tailor the design to the specific needs of your users and your business.