1, organization: the library panel for the material in Flash provides a centralized storage and management space, through the various materials (such as images, audio, video, etc.) into the library panel, the creator can clearly see all the available resources, and can easily organize and find.
2. Reusability: The material in the Library panel can be reused not only in the current project, but also between different Flash documents***, which greatly enhances the efficiency of resource usage and avoids the need to repeatedly import the same material.