Multiple animations may be mixed together on a single character, selectively on different limbs. Which Mecanim feature supports this?

What does the PlayableDirector component allow you to do?

What does the Grid component do?

Timeline sequences can initiate code during an animation using which feature?

You will see this system in other 2D elements that you work with in Unity, like _____ (GUI) elements?

What are the Scene navigation tools?

The UI system allows you to create ____ fast and intuitively. This is an introduction to the major features of Unity's UI system?

Unity has a complex and powerful __ for creating and combining particles to give you all sorts of special effects?