Timeline Layer Conventions
Flash CS4 ActionScript 3.0 Tutorial
How to Organize Your Layers and Content in Flash
Timeline organization is essential to a healthy Flash project. The top layer is the Labels layer. Below that is the Actions layer and the Content is neatly organized in all the layers below the Actions layer.
In a new Flash document, name the default layer Labels.
Add a new layer, name it Actions, and move it below the Labels layer.
Option double-click (PC - Alt double-click) the keyframe in the Actions layer to open the ActionScript panel.
Copy/Paste the following code to the ActionScript panel, then close the ActionScript panel.
Click frame 10 of the Labels layer and press F5 to extend it to frame 10.
Click frame one of the Labels layer and open the Properties panel (Cmd/F3 (PC - Ctrl/F3).
Add the word intro to the label in the Name box and press Return (PC - Enter).
Add a new layer below the Actions layer and name it Content.
Add an object to the Content layer. Notice that the Content layer becomes medium gray to indicate it contains one or more objects. The other layers remain white.