Common Gateway Interface (CGI) is a standard method used to generate dynamic content on Web pages and Web applications. CGI, when implemented on a Web server, provides an interface between the Web server and programs that generate the Web content. These programs are known as CGI scripts or simply CGIs; they are usually written in a scripting language, but can be written in any programming language.
This video is targeted to blind users.
Attribution:
Article text available under CC-BY-SA
Creative Commons image source in video