yes, you can have all your objects and they will exist on the same timeline, you wont be able to pause the main timeline and have other objects play through their own timeline like you can in flash
as for your second question, i can't think of anything
what sort of animations are you looking to do?
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Objective C, C#, Java, MEL. Python, C++, XML, JavaScript, XSLT, HTML, SQL, CSS, FXScript, Clips, SOAR, ActionScript, OpenGL, DirectX
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D