Welcome to the ever-evolving world of commerce and payments, condensed into this go-to glossary of core concepts, topical terms, and ambiguous acronyms. Initially released more than a decade ago by First Data, today’s leader in commerce enablement, this updated and expanded glossary is your comprehensive companion to First Data’s “Payments 101,” the definitive primer to help you define the changing way of how we pay for what we want and what we need.