Need help with these too

Answer (b) create a social media account and share clips of their recordings;

Fist of all, you need to learn about cad and architecture or basic engineering or architecture drawing in order to prorperly use and utilize cad programs.it's as abbreviated computer-aided-drafting. it will the user acquire skills faster since it's aided by technology

What are the terms cause i might know it

Yes because in graphic design you add elements of art into one piece and/or program. although, you place together graphic designs on a computer,  you still have to know about the principles of design which is included in art.