What is define proficiency?

Proficiency refers to the level of competency or mastery a person has in a particular skill, knowledge, or area of expertise. It is often measured through assessment or evaluation, comparing an individual's performance to established standards or criteria. Proficiency can be acquired through education, training, experience, and practice, and is an essential attribute in many fields, including academia, business, sports, and the arts. Developing proficiency often requires dedication, focus, and continuous learning and improvement.