box
boxy
bulb
card
cardboard
carton
case
drawing
drawn
electrical
element
energy
face
faceless
facial
false
gesticulation
gesture
gesturing
hand
head
hidden
hiding
icon
idea
illumination
lamp
light
lightbulb
lightning
male
man
mask
masque
masquerader
metaphor
pack
package
sign
standing
symbol
think
thinking
thought
thoughtful
unhappy
visor