1). Timeline
The timeline is used to organize and control the movie’s content by specifying
when each object appears on the stage.
The timeline has separate layers.
Like transparent sheets of content stacked on top of one another. They
allow users draw or place images on different layers without affecting
other items on other layers. There is no limitation to the number of the
layers. A well-categorized system of layers allows users to manage
objects more efficiently.
Adding a layer causes it to be placed on top of the other layers.
Can be re-ordered by dragging up or down. The “Front and Behind”
position of the object on the stage is related to sequence of the layers.