A portfolio is a collection of work or documents that showcase an individual's skills, achievements, and experiences. It is commonly used by professionals, such as artists, designers, and writers, to present their best work to potential employers or clients. Portfolios can include various formats, such as physical binders, digital files, or online websites. In finance, a portfolio refers to a group of investments held by an individual or institution. This can include assets like stocks, bonds, and real estate. The purpose of a financial portfolio is to diversify investments, manage risk, and achieve specific financial goals over time.