UX process is an iterative method which helps you to continuously improve and polish your designs with user feedback. Also, one thing you should know is: A UX process can be different from one UX designer to another, organization to organization and sometimes depending on the project.

User research provides an essential foundation for design strategy. It helps you to create an optimal product for users. Most importantly, you'll have the data to back your strategy and design decisions. User research also helps you to identify early adopters who would use your product.