elaboration vs refinement

elaboration and refinement both are nouns.

Word	Noun	Adjective	Verb	Adverb
elaboration	Yes	No	No	No
refinement	Yes	No	No	No

As nouns, elaboration and refinement are synonyms defined as:

elaboration (noun)	refinement (noun)
developing in intricate and painstaking detail	the quality of excellence in thought and manners and taste
addition of extra material or illustration or clarifying detail	a subtle difference in meaning or opinion or attitude
marked by elaborately complex detail	the result of improving something
a discussion that provides additional information	the process of removing impurities (as from oil or metals or sugar etc.)
the result of improving something	a highly developed state of perfection; having a flawless or impeccable quality