Ui: the abbreviation of user interface, which refers to the user interface. The most common application is in software development, which mainly refers to the user interface design of programs. With the popularity of Web applications, UI has also been applied to the user interface planning of Web. WebsiteUI has to go through several processes: planning, art design and production. General UI mainly refers to UserInterfaceDesign.

UE: User experience refers to user experience. The concept of user experience is very important. The use of websites or software should be planned and designed from the user's point of view, and experiments should be carried out from multiple angles to find the best user experience. User experience is to measure users' feelings in terms of content, user interface (UI), operation process, functional design, etc. from the whole website. UI only refers to the user's use of interfaces and processes.