Your cover letter should be a one-page document, usually around 4 paragraphs or 250 to 400 words. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own.Dear Human Resources Manager: Thank you for the opportunity to apply for a position at the Amazing Island. A resume cover letter is your opportunity to explain to the employer why you would be a good fit for the job opening. What is the job you are currently applying for, and what jobs have you had previously? Is there a job description or outline provided with the application? Salutation: This is your polite greeting. 3) States that you wish to be considered for the position. 4) Forecasts the rest of the letter. Crafting a well-structured and persuasive job application letter is essential when seeking employment opportunities.