Location. 1  The current marker at the exact Four Corners point, placed in 1992. 2  The evolution of the borders that make up Four Corners, beginning in 1850. 3  The borders that make up Four Corners, along with the year each border was officially surveyed and marked.
User experience. User experience (UX) refers to a person's emotions and attitudes about using a particular product, system or service. It includes the practical, experiential, affective, meaningful and valuable aspects of humanâcomputer interaction and product ownership.
The user interface, in the industrial design field of humanâmachine interaction, is the space where interactions between humans and machines occur. The term user interface is often used in the context of (personal) computer systems and electronic devices. 2  Where a network of equipment or computers are interlinked through an MES (Manufacturing Execution System)-or Host to display information.