authorized
background
badge
banner
classified
communication
confidential
confidentiality
data
document
folder
forbidden
grunge
icon
illustration
important
information
ink
isolated
label
letter
military
notice
office
paper
paperwork
privacy
private
report
restricted
result
retro
rubber
seal
secrecy
secret
security
sign
square
stamp
sticker
symbol
tag
template
top
vintage
watermark
white