This document provides information about what a memo is and how to write an effective memo. It states that memos are used for internal workplace communication to present information, provide directions or reminders, or propose ideas. It outlines the typical parts of a memo, including the label, heading with to, from, subject, and date fields, body, and conclusion. It provides tips for memo writing such as being specific, avoiding informal language, being succinct, presenting the main point in the opening paragraph, breaking down long memos, avoiding emotive language, and proofreading. It includes a sample memo from a general secretary to students regarding maintaining discipline at a social gathering and warning of stern action.