abstract
black
break
broken
business
chain
clip art
clipart
concept
connect
connection
danger
defect
design
element
failure
fall apart
fault
fracture
free
freedom
hand drawn
hyperlink
illustration
insecure
iron
isolated
link
linked
metal
metallic
network
pressure
risk
secure
security
sequence
sign
steel
strength
stress
strong
symbol
unsafe
weak
weak link
weakness
white