Assuming you are asking for a list of ideas for "areas of expertise" to put on a resume:
-First, consider what kind of jobs you are interested in and tailor your resume (and list of "areas of expertise") accordingly.
-Second, look at the job descriptions for positions you are interested in and see what skills and experience they are looking for; these items can be turned into your "areas of expertise."
-Third, think about any relevant coursework, internships, jobs, volunteering, or other activities you have participated in and how the skills you developed in those experiences can be translated into "areas of expertise."
-Finally, don't forget to list any professional licenses or certifications you may have!
Some examples of "areas of expertise" that could be included on a resume:
-Strong written and oral communication skills
-Experience with customer service
-Ability to work independently
-Flexibility and adaptability
-Working well under pressure
-Attention to detail
-Time management
-Project management
-Organizational skills
-Analytical skills
-Creative problem solving
-Technical skills
-Interpersonal skills