Keywords are words that relate to particular requirements for a job. They are skills, abilities, credentials, and qualities that a hiring manager looks for in a candidate.
When a hiring manager looks through a pile of resumes, he or she scans each resume to find these keywords. Many companies even use applicant tracking system (ATS), also known as talent management systems, to screen candidates for job openings. Read more at https://www.thebalance.com/resume-keywords-and-tips-for-using-them-2063331