Nominative, nominative case, topic case - the classification of nouns serving given that the grammatical subject matter of the verb portfolio - a large, flat, slim case for carrying free papers or drawings or maps; normally leather; "he remembered her for the reason that she was carrying a sizable portfolio" https://case-study-help69732.techionblog.com/35922449/ivey-case-study-solution-can-be-fun-for-anyone