alert
attention
ban
caution
climb
creativity
danger
design
escalator
exit
flat
floor
forbidden
graphic
human
icon
illustration
information
leadership
lift
man
move
navigation
no
not
person
prohibited
prohibition
recommendation
restricted
restriction
safety
sign
stair
staircase
stairs
stairs exit
stairway
step
stop
symbol
template
transportation
upstairs
walk
walkway
warning