This reference work serves as a digital linguistic tool designed to provide comprehensive lexical access for Macintosh users. The Oxford University Press editorial team developed this software to integrate high-quality lexicographical data into a computer-based environment. It functions as a digital repository for language study, prioritizing searchability and structural clarity for academic and professional users.

Users and technical reviewers often categorize this as a legacy digital reference tool that established early standards for electronic lexicography. Experts note that its utility is strictly bound by the operating system requirements of the era in which it was released.