(i) Layers help you organize the artwork in your movie.
(ii) Each layer can contain a different image that appears on the Flash Stage.
(iii) To draw and edit objects on one layer without affecting objects on another layer of Timeline.
(iv) We can hide, lock, or show the contents of layers by clicking the dots in the layer under the layer option icons.

(i) By default, the Flash Stage appears white, but, you can change its background color from the  Document settings dialog box using the Modify > Document (Ctrl +J) command.
(ii) To change the view of the Stage, Zoom in and out.
(iii) To help in positing the items on the Stage, you can use the grid, guides and rulers.

i) The gray area surrounding the Stage in Flash is the Pasteboard.
ii) To create and edit objects in the pasteboard also but they will not be visible in the final movie.
iii) Only the graphical objects kept inside the stage are visible in the final movie.

 i) A theater stage, the Flash Stage is the area that viewers see when a movie is playing.
ii) The term movie refers to Flash-created movies.

i) The white rectangle area in the middle of your workspace is called the Stage.
ii) All the animations, objects and scenes for a Flash movie are created, edited, placed and played back in the stage.

The Welcome Screen of the Flash is the launch pad for creating and opening files. It appears when Flash is first launched or when no documents are open in the application. From the Create New column in the middle of the Welcome Screen, click on Action Script 3.0.

2. From the File menu, choose File> New to create a new document.

The New Document dialog box appears. Under the General tab, choose ActionScript 3.0.,and press OK to create a new document.