sentences:  Public client APIs for loading, saving and compiling scripts would work the same for all such components, which also meant that applets and droplets could hold scripts in any of those scripting languages.One feature of the OSA is scripting additions, or OSAX for "Open Scripting Architecture eXtension", which were inspired by HyperCard's External Commands.Scripting additions are libraries that allow programmers to extend the function of AppleScript.