Concept Maps and Graphic Organizers (GOs)
The arrangement of words and phrases can help you learn. The organization of the periodic table of elements is essential to understanding matter.
Concept maps enable you to categorize and connect information. Addition of colors or shapes reinforces connections and enables personal associations with content information. (Science and Energy map from Buzan Centre, http://www.buzan.com.au/learning/mindmapgallery.html)
This is an example of a concept map used to assess student understanding. Note the hierarchy of information from the key concept (Body Systems) to broad topics (organ systems) to details (key organs/functions).