The executive summary could be the single most important element of a proposal. Ideally, your cover letter is a one-page proposal to fill an important business need that you've identified in your research about the job.Franklin Covey Style Guide Franklin Covey Style Guide: Page 148. Menu. In this article, we discuss how to write a business proposal letter and we offer sample letters and templates you can use as a guide. This page is intended to guide investigators through Franklin University's Institutional Review Board (IRB) application process. You can use the cover letter to showcase key wins, client stories, or key features that make your company stand out. Benjamin Franklin's phonetic alphabet was Benjamin Franklin's proposal for a spelling reform of the English language. Francisca Santos Cover Letter Sample (1).docx.