Common User Access—A consistent and usable human-computer interface for the SAA environments

Systems Application Architecture (SAA) will allow customers to apply their investments in their computer operations across IBM's three major computing environments that exhibit unique characteristics in terms of architecture, workstations, operating systems, and system services. User experience is one of these investments. The Common User Access (CUA) establishes a degree of standardization that is compatible with the differences in the three environments and that supports transfer of users' experiences. CUA is based on a user-interface architecture that identifies fundamental elements of structure. The intent is to provide a transfer of users' conceptual-level learning across different and evolving technologies. CUA specifies user-interface components and guidelines to be used by application designers, and it provides a basis for programming development tool specifications.