The Web is a well established kingdom of acronyms and buzz words. I’m sorry to say so, but we tend to generate a lot of terms that more often than not are a marketing trick rather than a useful definition for describing part of our field.
UX, IxD, IA, UCD, CX, agile UX, lean UX, guerrilla research, strategic UX, emotional design… we’re swimming in the sea of strange phrases that abandon clarity in favor of self-aggrandizement.