The term COMPASS USER can be broken down into three parts: ERN, COMPASS, and USER. ERN stands for Electronic Residency Network, which is a web-based system used by medical residency programs to manage the application process. COMPASS is an online platform that allows users to access the ERN system. Finally, USER refers to the individuals who use the COMPASS platform to access the ERN system. In summary, COMPASS USER refers to individuals who use the COMPASS platform to access the Electronic Residency Network.