This one I knew because I saw it in my catalog, and wanted to know what it meant The others I didn't know, I had to look up. So I'm learning too....the point of this thread
Changeling is the term I saw Tu, when I looked up your term, I saw it described as the type of ink used rather than the process, which is "Changeling" as Hochstrasse suggested. If its agreed that its also synonymous with the process, then I'll accept your answer.