Web page has its own address called a Uniform Resource Locator
(URL). Much like the address on an envelope with a name, street
address, city, state, and zip code, each part of a URL provides
information about the Web page.
is a sample URL and descriptions of its components.
type of Internet connection, hypertext transfer protocol
|www - host
|mtsu - Middle
Tennessee State University is the second-level domain name
|edu - top-level
|~reg - page name
type of file, hypertext mark-up language