If the real name is too long (the name Ajax was apparently coined because "HTTP+XML+HTML+XMLHttpRequest+JavaScript+CSS" was too long) then just mention the important bits. For example, instead of REST, just "HTTP"; instead of DHTML just "HTML and script", and instead of Ajax, "XML ...
". REST is just a name that was coined for the kind of architecture on which HTTP is based, and, on the Web, simply refers to using HTTP requests. Several years ago, Microsoft inventedXMLHttpRequest. People used it, along with JavaScript and XML. Google famously used it in some of the...