“User interface is a kind of interactive communication software between user and hardware. The purpose is to make users operate hardware conveniently and efficiently to achieve two-way interaction and complete the work they want to accomplish with the help of hardware. User interface has a wide range of definitions, including human-computer interaction and graphical user interface. There are many fields involved in information communication between human and machinery User interface.”

— UI Designer Wenjie

“According to the requirements of dynamic website, PHP as a kind of language program, its specificity gradually appears in the application process, and its technical level will directly affect the operation efficiency of website. It is characterized by open source code, high similarity with general-purpose language in program design, such as C language, so it is easy to understand and operate in the operation process.”

—PHP Engineer Libai

“Design is a process of conveying an idea through reasonable planning, careful planning and various feeling forms. Human beings transform the world through labor, create civilization, create material wealth and spiritual wealth, and the most basic and main creative activity is creation. Design is the pre planning of creation activities, and the planning technology and process of any creation activities can be understood as design.”

— Ferdinand A. Porsche