achievement
advertising
anti
approval
award
badge
blank
coat
defense
design
drawing
element
emblem
firewall
frame
graphic
guarantee
guard
guardian
heraldic
icon
illustration
insurance
internet
isolated
logotype
minimal
outline
pictogram
privacy
protect
protection
quality
royal
safe
safety
secure
security
shape
shield
sign
silhouette
simple
strong
symbol
thin
virus
web