Fillin (hover over or click) the blanks to learn about Flex, or create your own lines

+ Flex applications are SWF files.

+ Namespace is a class in the Flash API

+ MXML is an XML-based user interface markup language first introduced by Macromedia in March 2004.

+ MXML is considered a proprietary standard due to its tight integration with Adobe technologies.

+ MXML name comes from the MX suffix given to Macromedia Studio products released in 2002 and 2004.