GOPHER @ http://www.faqs.org/rfcs/rfc1436.html
CHROME
the browser UI around the web page
CHROME URLs
the chrome protocol which is the only way to get privileges
CHROME directory
the directory where the apps put their UI files
CHROME command line argument
start and open a file in a top level window
CHROME argument to window.open
opens a new window top level
CHROME.rdf
the chrome registry, in install directory and in profile
Thats all I know, hope this helps!!!