bar code
barr
barr code
barrcode
binary code
black
business
code
coding
communication
computer language
data
data matrix
identity
information medium
invitation
label
lens
lupe
magnifier
magnify
magnifying
optical
passcode
pattern
qr
qr code
qrcode
quick response
rectangle
reflection
research
retail
science
search
security code
seek
sell
series
shop
square
study
symbol
technology
up
up code
white
zoom