Part of the reason why resumes are mediocre and applicants do poorly in interviews is that they do not really understand their “why” for a new job.
All tagged cover letter
The Cover Letter Should Be The Frosting To Your Resume's Cake
A common mistake that people make with cover letters is to restate what they have already put down on a resume. What a waste of everyone’s time. A resume should be the cake while your cover letter should be the frosting.