Chapter 4: Review Questions

1. What is the primary function of a Selection?
   

   To isolate a particular area of the image so that you can make changes to that area that will not affect the rest of the image.

2. What key do you press and hold to constrain the shape of Selections?
   
   The SHIFT key.
   
3. How does the Magnetic Lasso Tool determine what part of the image to create a Selection path around?
   
   By color contrast.