A cover letter is like an application letter written to the recruiter telling them you are the best candidate for the job. It symbolizes what you have achieved and what you can do to ensure you move the company forward and achieve its set corporate goals and objectives.
Why a Cover letter?
To convince the recruiter that you are most qualified for the vacant position.
To highlights your track record and how these track records can be of great advantage to your future employer(s).
To express your interests in the said position.
Every organization now requests a cover letter, an accompanying document for the CV; a Cv without a cover letter is incomplete.
It shows your core strengths and background and how you utilize those core to support and contribute to its operations and functionality.