Cover Letter or application letter is to introduce myself briefly, the employer know why you come to apply for this job. Experience from past work is beneficial to work in this position? What qualifications do you have that cause the company to see that you are a good choice for his company. Application letter will be in a format like a form letter. Have the salutation, closing? There are several paragraphs and complete sentences are written out in a manner that is described by the body and tell in which the application letter should not exceed one page in length, and the programming language must be polite and formal languages