There are many ways of communicating scientific information, although some are clearly more effective than others. How well concepts are conveyed to an audience depends on many things, including such things as the complexity of the topic and the familiarity of the topic by the audience. Based on the idea that a picture is worth a thousand words, conceptual diagrams are a means of communication using illustrations to convey the ideas being presented. For many audiences, especially those that better understand a problem if they can visualize it, conceptual diagrams can be a powerful tool for communication.