achievement
alone
ambitious
arm
brain
brainstorm
bulb
career
chalk
clip
concentration
contemplation
create
creation
creativity
determination
discovery
doodle
draft
draw
drawing
ecological
electric
electricity
energy
finger
glowing
human
idea
illuminated
imagination
inspiration
invention
lamp
light bulb
lightbulb
line art
manager
outline
person
positive
power
smiley
solution
success
think
white