3d

abstract

alarm

alert

attention

background

badge

ban

blank

cartoon

caution

chromakey

clean

communication

danger

design

empty

forbid

forbidden

glossy

graphic

green

hazard

icon

illustration

indication

information

isolated

isometric

mark

no

notice

pictogram

prevent

prohibited

protection

protest

public

red

reflection

restrict

restricted

risk

safety

screen

shiny

sign

signal

stop

symbol

warning