Electronic resources (e-resources) refer to collections of information in digital format that can be accessed via electronic devices. E-resources include e-books, e-journals, databases, digital libraries, and internet resources. They have several key characteristics - they do not take up physical space, allow access without limitations of time and location, and can be easily searched, archived, and disseminated. E-journals in particular offer advantages like accelerated publication and options for formatting, linking, searching, and supplementing content.