A radio button, or option button, is a type of graphical user interface element (called a GUI component) which can be grouped to allow the selection of a single choice from the group of predefined options.

A remote desktop denotes a software programme or an operating system feature allowing real-time network mirroring of one computer's graphical display onto another computer.

The Regulatory News Service (RNS) is both a regulatory and financial communications channel for companies to communicate with professional investors, allowing them to comply with local market transparency legislation and international regulatory obligations. The RNS is owned by the London Stock Exchange and distributes over 90% of UK company news and results announcements and over 40% of the United States Securities and Exchange Commission (SEC) filings on behalf of FTSE 100 companies, amounting to several hundred announcements a day.

Really Simple Syndication (RSS) is a host of standardized web feed formats used to publish frequently updated syndicated news and the content of news-like sites, including major news sites, news-oriented community sites, and personal weblogs.