www

The world wide web (www) is a collection of hyper-text (html) documents (web pages), made available on the internet. These documents can contain text, images, animations and hyper-links to other documents. The www was devised c1989 by Tim Berners-Lee as a more user-friendly development of other information-sharing protocols such as file transfer protocol (ftp).
 
html hyper-text markup language
JavaScript - an interpreted programming language embedded in some html pages.
Java - a general purpose programming language, one that was often used to create small applications, "applets", e.g., animations, embedded in html pages.