An office message is typically a short written communication sent from one person to another within an organization. It is commonly referred to as a MEMO, which is an acronym for the Latin phrase 'MEMORANDUM'. A MEMO is used to inform or remind people of important information, such as deadlines, changes in policy, or upcoming events. It is also used to communicate ideas, opinions, and decisions. Memos are usually brief and concise, and they are often sent via email or printed out and distributed.