say at the Library of Congress, you would tell the browser to go to gopher, followed by the name of the server (gopher:// If you want to go to a specific file, gopher and telnet servers often, but not always, are followed by the name of the port they dock at, designated by a colon and then a number. Gophers generally are at port 70, while telnet normally resides at port 23. The ports then are followed by the path to the document. For example, federal government information at the Library of Congress gopher is located at gopher:// Although you must use a Web browser to enjoy the full benefits of URLs, you can employ them even if you aren't using a browser. Sometimes the URL has changed without you knowing about it, and those changes often are insignificant. The file may be located in the same place but be labeled differently, or maybe moved to another category. So you can follow the URL to each stop and see if the document is still there, but in a different section or under a another name. Understanding URLs and how they work is like knowing the language when you visit another country - everything is considerably less mysterious.