The American Medical Informatics Association (AMIA) organizes a Learning Showcase during the Annual Symposium. Separate from the scientific program, the Learning Showcase allows exhibitors to present the informatics aspects or topics that relate to their products or services, avoiding a marketing or sales focus. In this context, I gave a talk on how terminologies can be used to help clinical natural language processing (NLP) during the latest AMIA Annual Symposium in November 2017, and would like to share the salient points here.