Nesting timelines

By now we've seen how movie clip symbols, graphic symbols, and button symbols…each have their own Timeline.…Those nested symbol Timelines can hold animation, which we can use to our…advantage to create more detail in our animations.…So let's use nested timelines to animate our monkey that appears in the…exercise files for this chapter.…Clicking on the monkey, we see that he's a movie clip.…I'm going to double-click to enter the monkey's Timeline.…You'll notice that the top-left of the screen says Scene 1 and then monkey…since we've stepped into the monkey's timeline.…

Also notice the jungle background up on the main Timeline is faded out.…So the monkey's timeline has three layers: one that contains the right arm, one…that contains the body and the head, and then of course the left arm.…Let's animate the arms so that they lift up over the course of 24 frames.…So the first thing we'll need to do is extend the Timeline out to 24 frames.…I'll select frame 24 on the left arm layer, hold down the Shift key, and then…