1) Hypertext:
Hypertext , a term coined by Theodor H. Nelson in the 1960s, refers also
to a form of electronic text, a radically new information technology,
and a mode of publication.Hypertext, as the term is used in this work,
denotes text composed of blocks of text and the electronic links that
join them.
URL:
http://www.cyberartsweb.org/cpace/ht/jhup/history.html
3) Lexia:
A text composed of blocks of electronic links
URL:
http://www.cyberartsweb.org/cpace/ht/jhup/history.html
4) Node:
A node is any device connected to a computer network. Nodes can
be computers, personal digital assistants (PDAs), cell phones, or
various other network appliances. On an IP network, a node is any device
with an IP address.
URL:
http://compnetworking.about.com/library/glossary/bldef-node.htm
5) Interactivity:
An interactive site would be one in which some action of the user
generates a response either from another human being at the other end of
the connection or with a program residing on a computer.
In terms of the Internet activity of web sites, there seem to be several
levels or kinds of interactivity.
URL:
http://netsim.kib.ki.se/interactivity.cfm