Working with layers

- We said in the previous movie…compositions and layers are somewhat tied together.…The difference with layers is the fact that…you can control the animation over time…by setting key frames within the Layers panel.…Also, the appearance of layers in the Composition panel…are controlled by both a vertical and horizontal hierarchy.…To better explain that, let me show you…what I'm talking about.…If we go to the Project panel and double-click…on the SZ_Title_CourseSkills Comp,…notice my timeline is activated…and I have a bunch of layers that are within the timeline.…

So these layers control what appears here…inside my Composition panel.…Vertically, I can control what I'm seeing…by adjusting the placement of layers…in the hierarchy of these layers…just like I would inside of a photo-shop document.…So, for example, let's select on layer three…and I'll turn this it's visibility off and on…by clicking on the eyeball here on the left hand side.…I turn it off and on. You can see I'm dealing…specifically with a logo.…If I wanted the logo to appear…