This section provides definitions of words, terms, phases and acronyms, frequently used or referenced in the business process community. As the business process change market evolves, these terms evolve and change, as well. Formal business process languages have semantic definitions that are enforced by the language standard, associations publish glossaries, and vendors and pundits coin new terms to differentiate products and approaches to business process.  Most of these communities use or define these terms in slightly different ways. Old terms take on new meanings, new terms emerge, and it is often confusing to business managers trying to communicate across multiple communities. This glossary recognizes these differences and seeks to provide generic definitions and to foster a common language.