HyperText Markup Language (HTML) is a set of tags and attributesthat mark how text is organized anddisplayed by web browsers.

HTML documents are files containing text and tagswritten for the HyperText Transport Protocol(HTTP)--the protocol used throughout the World Wide Web.

HTML tags define both the structure of a web page andthe way the marked text displays in a browser such asNetscape Navigator. Tags mark the start and the end oftext. For example, you can use the H1 tag to mark textas a first-level heading. When a web browser such asNetscape Navigator displays that text, it appears in alarge font,

HTML documents may have different appearances ondifferent browsers. Even if all of your readers useNetscape Navigator, they all might not see yourHTML page in the same way because they can configureNetscape Navigator to use different fonts and tooverride your color settings.