Semantic Markup – text data that is annotated with a special language to offer more sense or meaning to the text.
SGML (Standard Generalized Markup Language) permitted to researchers to format their documents
HTML – an extension of SGML.
Tim Berners-Lee published aWorldWideWeb – a system of hypertext documents viewed by software named browsers in a client-server architecture.
World Wide Web Consortium (W3C)
Web browser – a gateway to the web-application (retrieve and present the content,allow navigating through different web pages)