Periodicals are publications that are released on a regular schedule, such as weekly, monthly, or quarterly. They include various types of content, such as articles, essays, and reviews, and can cover a wide range of subjects, from science to fashion. Common examples of periodicals are magazines, journals, and newspapers. These publications are often used for research, staying informed, or entertainment. They provide current information and insights into specific topics, making them valuable resources for both professionals and the general public. Periodicals can be found in print or digital formats, catering to different reader preferences.