Which of the following best describes a credential?

A credential is fundamentally understood as an official document or status that confirms a person's qualifications, competence, or authority in a particular field. Option B captures this essence perfectly as it refers to a certificate or license that is granted by a governing board. This governing authority verifies that an individual has met specific standards and requirements to practice a profession or carry out certain activities.

In contrast, the other choices focus on aspects that may not imply the same level of formal recognition or authority. For example, recognizing attendance at a program does not equate to an endorsement of skills or qualifications like a credential does. A certificate from a university may indicate some level of academic achievement but does not necessarily fulfill the requirements of authorization by a professional body. Lastly, a title based on years of experience can reflect expertise but does not provide the official validation that a credential would offer from a recognized body, which is fundamental in many professional and regulatory contexts.