In the body paragraph you will basically express your interest in taking admission. Important things you are going to mention include the basis for applying to the school. Why do you think this school can build up your career? List down all academic achievements and special skills that would help in making your letter stand out from rest of the applicants.At the end you should sign off with "sincerely yours" or any other related salutation.If you are applying for a particular job then you need to create letter of intent that contains the following.
In the early stages there's various options available to you. It is extremely important that you choose the most suitable style so your document presents as professional as possible. You can select from varying styles including Block Style, Modified Block Style, Semiblock Style. You can have a look at these varying options and select the one that you consider is most suitable.