Identification should include

locating rough openings, corners, and wall tees
ensuring that the stud layout is 16 inches or 24 inches on a center, as required by plans
ensuring that door and window openings are of the proper width, within +/- 1/16 inch
identifying wall-plate-layout marks
stocking components.

IRC : Chapter 6 identifies

stud placement based on building height, floor, roof loads, and design
size and height of stud along with stud spacing, based on building design
headers' size and jack placement
number of jacks and studs required at openings, based on the opening, width, and load above the header.

Process/Skill Questions: