What you think n the meaning is behind it.
Answer:
it is a process by which something proposed is evaluated by a group of experts in the appropriate field
Explanation:
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