Definitions
1.nounA case for carrying papers, drawings, photographs, maps and other flat documents.
2.noun(by extension) The collection of such documents, especially the works of an artist or photographer.
3.nounThe post and the responsibilities of a cabinet minister or other head of a government department.
4.nounThe group of investments and other assets held by an investor.
5.nounA collection of assets generally."I would like to introduce you to our portfolio of services."
6.nounA range of products."product portfolio"