... to map in a practical way among languages, regard-less of whether it is possible in theory. The selection of one programming language as the basis for an action language would, therefore, have ... possible in today’s polyglot world of computation, regardless of its emo-tional appeal. The Unified Modeling Language Reference Manual132 • active object Encyclopedia of TermsA passive object may ... (algorithm) expressed in some lan-guage, such as a programming language or other formal language. It can also beexpressed in human language. In that case, it will not be executable by tools andcannot...