[{"Bold_text": "noun", "List Items": ["a vital, basic, decisive, or pivotal point:The crux of the trial was his whereabouts at the time of the murder.Synonyms: gist , core , heart , essence", "a cross.", "something that torments by its puzzling nature; a perplexing difficulty."]}, {"Bold_text": "noun", "List Items": ["Southern Cross Southern Cross."]}]