back linkA link in one direction implied from the existence of an
explicit limk in the other direction. See: Building
back-links
browserA program which allows a person to read hypertext . The browser gives some means of
viewing the contents of nodes ,
and of navigating from
one node to another.
buttonAn anchor which is the
source of a link . Often, but
not always, represented on screen to look like a push-button.