What is the definition of the term "area of expertise"?Areas of expertise are defined as a particular area of knowledge or skill in which a person has a high level of knowledge or experience. It is the area in which a person has the most expertise and is able to offer the most valuable advice or insight. Areas of expertise are usually related to a person's job, education, or hobbies. For example, a doctor may have an area of expertise in cardiology, while a software engineer may have an area of expertise in web development.