Script window Handler is similar to a function in other languages. Almost looks like an event. You write handlers to do the parts of your program. They are part of your script. They become part of your Director Movie as members. Movie script - global Behavior script - for a sprite or frame Generally for mouse clicks, you do the action for a mouseup cast script - for a specific cast member and all sprite instances of that member parent script - used in object oriented programming Scripts let you reuse code. Such as navigation scripts for buttons. if then else Loops repeat with - like a for loop repeat while Lists Similar to arrays or linked lists First item is index 1 Property lists are like a structure or hash tables Behaviors Labeling frames