The document discusses nursing informatics, which is defined as the combination of computer science, information science, and nursing science used to manage and process nursing data, information, and knowledge. It provides an overview of the historical development of nursing informatics and the roles of nurse informaticists. Key points covered include the use of electronic health records, telehealth, and computerized documentation systems in healthcare. The importance of technical, utility, and leadership competencies for nursing informatics is also highlighted.