This document discusses microcopy, which are small pieces of text used in interfaces to provide instructions to users. It defines microcopy and provides examples such as error messages and buttons. The document outlines why microcopy is important for improving the user experience and increasing conversions. It provides tips for writing good microcopy, such as using a clear, simple voice and addressing users' questions. The document also discusses implementing microcopy and getting stakeholder buy-in through techniques like A/B testing.