host machine
A computer that provides a network service (a web server is an HTTP host), or more broadly, any computer with a host name and IP address.
(Hypertext Markup Language)
A set of symbols or codes inserted in a file to control display in a web browser. The markup tells the web browser how to display a web page's words and images for the user.
HTTP
(Hypertext Transfer Protocol)
A networking protocol used to transfer information to web browsers and WebDAV clients.