portfolio - a significant, flat, thin case for carrying unfastened papers or drawings or maps; ordinarily leather; "he remembered her since she was carrying a considerable portfolio" case - (printing) the receptacle through which a compositor has his form, which is split into compartments for the different letters, Areas, https://findsomeonetodocasestudy29241.bloguetechno.com/top-latest-five-case-study-help-urban-news-70846405