HTML looks a lot like old-fashioned typesetting code, where you surround a block of text with codes that indicates how it should appear. In addition, you can use HTML to specify a block of text, or a word, is linked to another file on the Internet. HTML files are meant to be viewed using World Wide Web Client Programs such as Netscape or Internet Explorer. Intranet A private network inside a company or an organization that uses the same kind of software as those found in the public Internet, but only for internal use. IP Number Sometimes called a dotted quad.
Most machines have one or more Domain Names that are easier for people to remember.
There are a number of major IRC servers around the world which are linked to each other. Anyone can create a channel and anything that anyone types in a given channel is seen by all others in the channel. Basically a way to move more data over existing regular phone lines. The ISDN market is growing dynamically in the United States. Its price is similar to standard analog phone circuits.