Descriptions, especially those for nonspecialized or nontechnical audiences, are often written by comparing the item being described to an item that is already familiar to readers. For instance, the human heart is often described as a pump and compared to a pump people already know about (the pump for a swimming pool or a car's water pump). While descriptions based on these types of comparisons can be useful, they can also be problematic if your readers are from different countries and cultures. For instance, if you describe the human heart in relation to the pump for a swimming pool, people from parts of the United States or certain countries that don't have pools will not understand the comparison. Working with 2-3 other students, pick an item for which you