app
background
badge
clip art
defense
design
element
emblem
firewall
frame
graphic
guarantee
guard
icon
illustration
insignia
isolated
label
line
linear
minimal
outline
pictogram
privacy
protect
protection
safe
safety
secure
secured
security
shape
shield
shielding
sign
silhouette
simple
single
stroke
strong
symbol
thin
trendy
vector
web
white