In my opinion it would be stress because it stimulates a energy level to do the work more motivated.
2D design is flat design, like drawing or sketching.
http://resources.hwb.wales.gov.uk/VTC/ngfl/dandt/75/Tutorials/2D%20Design/Section1.pdf
use this pdf to learn how to use it
<span>Light and shadow can <u>model</u> an object, giving it a three-dimensional appearance</span>
Get closer to your subject to simplify the background
Crouch and photograph ur subject against the sky
Find reflections
Fill the frame with different colors
Plain backround
Fill with repeating diagonals or lines
I would put all things that disturb the perfection of the lighting in the studio, and outside I would go to where the lighting isn’t too bright and somewhere we’re it’s not too dark and you are able to see every perfection and detail in the each scene.