A simplified, top-down structure of the Internet, as it relates to web pages is something like:

•  Internet

                             |

•  Wide Area Networks (WAN's)     . . .

                             |

•  Local Area Networks (LAN's)     . . .

                             |

•  Server Systems     . . .     Client Computers

                             |

•  WWW (Web)     . . .     FTP     . . .     Email  +?

                             |

•  Web Sites     . . .

                             |

•  Web Pages     . . .     Files     . . .

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