William Gordon created the notions of Synectics as a process for creative thinking. It helps people understand a more abstract concept by linking it to something they already know. It taps into both hemispheres of the brain and stretches their thinking.

American Rhetoric - Rhetorical Devices

Synectics - A Brainstorming Tool

Graphic Organizers for Synectics

A Synectic Metaphor for writing:

When you think about the writing process for students, does it feel more like Custom Puppies or A Plate of Hors D'oeuvres?