This document summarizes four types of letters: a college application letter, cover letter, business order letter, and a letter requesting validation of an order total. The college application letter is from Lyka Marie Capocao applying to the University of Cebu's Criminology program. The cover letter is from Lyka Marie Capocao applying for a police officer position. The business order letter is from Lyka Marie Capocao ordering various items from Ward Press Inc. The final letter requests confirmation of the total for the items ordered.