Translating the complex language used by doctors to describe the anatomy and physiology of the lower urinary tract to patients contemplating therapy can be problematic. This concise text aims to overcome the difficulties by acting as a communication tool to enhance the interaction between the two, providing pictures and simple text that will help healthcare professionals talk through the issues in a way that patients can easily understand. Emphasis rests on clarity and simplicity, and so by its nature, many of the intricate details will be glossed over.