Customizing your resume for each job you apply to is the surest way to get a competitive advantage over the other applicants for the job.
Optional: hobbies, interests, languages, volunteering experience.
Want your resume summary to stand out? For this reason, your cover letter needs to be engaging and helps to reinforce your key skills that the recruiter will find the most desirable.
But considering how important a resume is, you may be completely at lost what information to put and how to format it.
Focuses on your summary, draws attention to skills.
Readable no matter how much you write.