Stick figures or other drawings representing people are actors. Trees, circles, flowers, clouds. These are all actors. And the actors live in frames. And they act upon and with and through one another.
Connectors show which actors have relationships with one another.
Two boxes in a flow chart may be connected with a line. Mom and Dad may be connected with a line. Frames and connectors are both ways of showing how actors are related to one another. Finally, add notes, labels, phrases, paragraphs that describe the frames, actors and connectors. The light spots on the tops of the leaf masses were created using an eraser to remove the graphite.