What is a portfolio best used for?

A portfolio is best used for showcasing work samples and best assignments because it serves as a practical demonstration of an individual's skills, abilities, and accomplishments. By including various examples of previous work, a portfolio allows an individual to provide tangible evidence of their competencies, which can be particularly valuable during job applications or professional assessments. It enables potential employers or clients to review the quality of the work the individual is capable of producing, showcasing not only what they have achieved but also their evolution over time in a specific field or discipline.

While displaying academic credentials, holding personal achievements, and organizing career goals are important aspects of a professional presentation, these elements do not fully capture the dynamic and illustrative nature of a portfolio. The primary function of a portfolio is to present direct evidence of work quality and style, which makes option C the most accurate description of its best use.