I saw the title and thought there would be some three point hitch lingo in the post, but all there was was a diagram and some names for hardware.
Three point hitch lingo is what you say when you have climbed down from a tall tractor for the third time, inserted a crowbar, had it slip and mash your knuckles against one of those carefully named structures...and still not gotten the &%$$@#$&% frammiks to line up with the gozinta. Now, that's three point hitch lingo.