"diagram" - key terms from Wikipedia

activity diagram
argand diagram
bifurcation diagram
block diagram
boiling point diagram
causal loop diagram
chromaticity diagram
circuit diagram
class diagram
constellation diagram
context diagram
data flow diagram
data structure diagram
diagram
diagram	at right
diagram	of a raid
diagram	of several
diagram	showing
euler diagram
eyepiece diagram
feynman diagram
first diagram
flow diagram
free body diagram
gabbard diagram
hr diagram
influence diagram
knot diagram
mo diagram
module diagram
network diagram
numbered diagram
phase diagram
pinout diagram
polar area diagram
polar diagram
polarization diagram
pourbaix diagram
schematic diagram
see diagram
sequence diagram
south west trains diagram
splitting diagram
system context diagram
timing diagram
uml diagram
uml state diagram
use case diagram
venn diagram
voronoi diagram