Story Telling Through Design Sketching
https://www.skillshare.com/classes/Story-Telling-Through-Design-Sketching/1295852681
This class will teach you how to convey an idea or concept through industrial design sketching techniques.
It is very common that the only opportunity you have is a sheet of paper to pitch an idea.
Therefore, your page should be concise and explain your idea clearly so the audience can understand your concept without having to explain it yourself.