Depth of feild

My booklet

My booklet is going to consist of photographs of people I know. They are all going to be posed pictures where people actual know the photo is being taken.

Questions
Photo 1:
Photo 2: What kind of lighting did they use in this, natural? grey card?

Question

Which one of these is not a proto call?
a) Levels
b) Contrast check
c) Clone stamp
d) Colour correction

High contrast (2)