From the package website: “thing-at-point-utils.el: Delivers a set of functions to return, mover over or manipulate a given THING. THING may be a well known form as symbol’, ‘list’, ‘sexp’, ‘defun’ but also a new defined and abstract thing.”
‘list’
‘sexp’
‘defun’
https://launchpad.net/s-x-emacs-werkstatt