In computer displays and graphics, the ratio of the width of
a picture or picture area to its height. For example, an aspect
ratio of 2:1 indicates that the picture is twice as wide as it
is high. The aspect ratio is an important factor in maintaining
correct proportions when a picture is incorporated into another
document such as a Web page.
In a multiuser or network environment, the process by which the
system validates a user's logon information. A user's name and
password are compared against an authorized list, and, if the
system detects a match, access is granted to the extent
specified in the permission list for that user.
(Common Gateway Interface) A standard method of extending Web
server functionality by executing programs or scripts on a Web
server in response to Web browser requests. A common use of CGI
is in form processing, where the Web browser sends form data to
a CGI script on the server.
A form field that can be selected by clicking a box. When a box
is selected, it is usually displayed with a check mark or X.
Check boxes are usually grouped to represent a set of
non-exclusive choices. See also radio button.