This introduces an applicant and the applicant’s résumé to a potential employer:

The answer is Cover Letter.
A cover letter is one- page introductory document meant for the employer to  get a glimpse of the potential candidate. It shows the candidate's overall strengths and why they would be fit for the organization. The cover letter helps the candidate stand out from a crowd and it is meant to get the employer engaged before reading the resume of the candidate. 

Hope this helped.

Igot the answer, here you go dude. 

Students need to change their attitude