Glossary of Internet Terms
Welcome to esn.net's Glossary of Internet Terms, a plain english and hopefully common sense explanation
of internet terms and definitions. New users can familiarize themselves with the complicated
terminology used on the Internet. All entries have been organized alphabetically.
Be sure to use to alphabetic text bar to jump to the section of interest.
A | B | C | D |
E | F | G | H |
I | J | K | L
M | N | O | P |
Q | R | S |
W | X | Y | Z
- Acceptable Use Policy : This is a policy statement made by an
Internet Service Provider, and
indicates the type of use which is permissible from that connection.
- Access Provider : See Service Provider.
- ACK : An acknowledgment number carried in the TCP header that tells
a TCP sender the
sequence number of the byte which the TCP receiver expects next.
- Acrobat : Multimedia authoring system from Adobe
for creating animated presentations.
The Amber plug-in for Netscape Navigator enables you to view Acrobat documents
within Web pages.
- Acronym : Acronyms are widely used on the Internet, and are words
that are derived from
the initial letters of a phrase or saying. For example IMHO is a
commonly used acronym for
In My Humble Opinion.
- ActiveX : New browser technology developed by Microsoft for Internet Explorer 3,
enabling interactive controls to be embedded in Web pages.
- Address : This can be either the address of a user of a system, as
in e-mail address
(required in order to send a message to a particular person) or the address of
a site on the
- Address Book : A feature found in most e-mail programs that enables
the user to store
e-mail addresses for easy access. Many allow the use of aliases in order to
mass mail a selected
group of people instead of sending a message to each individual user. See also
- Advanced Research Projects Agency : ARPA was the U.S Defense
Projects responsible for
the early development of the Internet, then known as the ARPANET, back in the
1960's and 1970's.
The brief was to develop a communications network that would not be disrupted
in the event of a
nuclear attack, and that would enable military researchers to exchange
- AFS : A set of protocols, similar to NFS, that allow for the use of
files on another
network machine as if they were on your local machine.