Thinking Maps
Circle Map - used for defining in context
Bubble Map - used for describing with adjectives
Flow Map - used for sequencing and ordering
Brace Map - used for identifying part/whole relationships
Tree Map - used for classifying/grouping
Double Bubble Map - used for comparing and contrasting
Multi-Flow Map - used for analyzing causes and effects
Bridge Map - used for illustrating analogies
ref: http://en.wikipedia.org/wiki/Thinking_Maps