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 be physical or digital and often include samples of completed projects, resumes, and personal statements. In finance, a portfolio refers to a group of investments held by an individual or institution. This can include various assets like stocks, bonds, and real estate. The goal of a financial portfolio is to balance risk and return, allowing investors to achieve their financial objectives over time.