Project Summary: Hello, I have assignment for my class ITCD 103 & 103L Computer Aided Design and Drafting. there are 4 questions. 1- When is sketching used as graphic communication? 2- What is the design process? Explain the five phases of the design process. 3- Describe the difference between concurrent and traditional design process models 4- What does PDM or EDM stand for? What are some advantages of PDM?