AppleScript can automate monotonous, repetitive tasks, or tasks that need to be performed at a specific time. Mac OS X can (using it’s built-in scheduler via programs such as Cronnix) run any script on the minute you need it to run.
AppleScript makes it easy to “talk” to standard Macintosh applications. It can “glue” applications together so that each application does what it does best.
AppleScript is amazingly easy to understand even in English:
Tell application “Netscape Communicator” to OpenURL “www.CNN.com”
This is a valid AppleScript statement. If you use it, Netscape will open the CNN web site.