This document presents an introduction to Resource Description and Access (RDA) by Alison Hitchens at the OALT/ABO conference in 2012, highlighting its purpose to replace AACR2 and improve resource discovery in libraries. It outlines RDA's conceptual framework, core principles and its focus on user tasks, detailing the importance of bibliographic and authority data. RDA aims to provide a flexible and extensible standard designed for the modern online environment and the semantic web.