Who wants to talk im super bored

Which principle of design is in primary use in this structure?

An eighth-grade teacher has asked you to present information to her students about how watching television can affect adolescents’ academics and behavior. what important information should you share with this audience? write an essay that will serve as the basis for the speech you will deliver to the students. include important details from the selection "television and adolescents" to support your discussion.

What step did the artist use when drawing this pic?