Unity engine basic question(C#)

1. What must be done in code to increase the maximum shield strength from 4 to 6??

2. What must be done with visual feedback and art production to increase the maximum shield strength from 4 to 6?

3. Generally speaking, what is a Quaternion?

4. Gibson creates a utility script through a process of iterative development. What are the benefits of building up functionality over time when coding?

5. Explain how the script that checks if items are on or off screen works.

6. The offRight, offLeft, offUp, offBottom variables are all Booleans. Explai how the line

   isOnScreen = !(offRight || offLeft || offTop || offBottom)

7. If you have a complex Unity object made of other objects, what is the way to get to the top of the transform hierarchy using code?

8. What is the difference between a property and a method in C#?

9. What is the naming convention Gibson uses between private variables and the public property which exposes them?

10. What is the function on the isKinematic property of a rigidbody?

11. What is the purpose off setting constraints in the rigidbody component?