73316eb5_ide_Working_Group___AOL_Access__Definition
[ARIA Role] Dialog [Styleguide] Dialog (Modal), Dialog (Non-Modal), Dialog (Tooltip) [Definition] 
A dialog is a small application window that sits above the application and is designed to interrupt the current processing of an application in order to prompt the user to enter information or require a response.
DHTML Style Guide Working Group | AOL Access
Definition