RDA Toolkit Essentials is a presentation about the RDA Toolkit, which is an online product that allows users to interact with cataloging resources including RDA (Resource Description and Access). RDA is a standard for bibliographic description based on FRBR (Functional Requirements for Bibliographic Records) concepts. The RDA Toolkit contains RDA, examples, mappings, and policy statements. It can be accessed for free or through institutional subscriptions that allow concurrent users and additional functionality like bookmarks and workflows. The presentation covers logging in, navigation, search features, and user-created content within the RDA Toolkit.