STROKE CLASS DIFFERS BASED ON NUMBER OF STROKES
cursive strokes
linear strokes
single stroke
crutch
edges
joint bars
Triple Strokes
open box
finger edges
ladder
postures
gestures
Species
spikes
DOUBLE STROKE
angle
TRIPLE STROKE
Arrow
Enclosed space
Triple Strokes
triangle
Four strokes
box
rhombus
ABSTRACT
PICTOGRAM