It should be sent alongside one’s resume when asked to present one.
For example, it should cover why you are interested in the job, demonstrate that you have researched the organisation and outline the skills and experience you have that relate to the role.
Most importantly, your cover letter is the key for making you stand out.
Each letter should be written for a specific role and a specific company, to demonstrate to the recruiter that you are the best person for the role through use of specific examples that link your skills and background to the company’s needs and culture.
Usually, letters of intent are used as a way of introducing oneself and bringing out that personal interest in one’s application.
A letter of intent when well written gives merit to your application and also provides details on why you are the best person to be considered for the post.