Missives are written messages or letters that convey information from one person to another. Some of the synonyms for missives include dispatches, epistles, communiques, memos, notes, and correspondence. Dispatches are typically brief and urgent messages sent during a military or emergency situation. Epistles, on the other hand, are more formal letters often used in religious contexts. Communiques are official messages sent by governments, companies, or organizations. Memos are internal communications within a company or organization. Notes are short messages used for informal communication. Correspondence refers to all forms of written communication exchanged between two people or organizations. Whether using missives, dispatches, or any of these synonyms, clear communication is essential for effective message delivery.