"Graph" as used in "Graph Query Language" and "Graph Database" is synonymous. The bigger problem comes from naive practitioners using a word and insisting to n

"Graph" as used in "Graph Query Language" and "Graph Database" is synonymous. The bigger problem comes from naive practitioners using a word and insisting to novices it has one exclusive meaning when it plainly doesn't. "Lambda" is not a protected mathematical term. It's a Greek letter (and 500 other things besides)! The fact that 'lambda calculus' is a recognizable concept is itself a consequence of the language evolution you're complaining about.