> I favour (lightly) "Go Back" / "Go Forward" because they make sense in
> context with the other Xref operations in that separator-delimited group of
> entries in the menu, and because it's a wording often used for these
> operations elsewhere such as in web browsers and IDEs (though often it's
> just "Back" and "Forward").

There are more votes for "Go Back" / "Go Forward", so I'll push
two patches - one for emacs-28 (not to be merged to master), and
another for master: