QR
Pixelated data square
QR stands for "quick response," almost always appearing in QR code—a square barcode readable by smartphone cameras.
QR codes link to websites, display text, or store data.
They appear on product packaging, restaurant menus, event tickets, and advertisements.
Scan the QR code to download the app.
Symbolic communication system
- scannerDevice that reads data
- barcodeEncoded product stripes
- matrixOrdered numerical arrangement
- pixelSmallest display unit
square · digital · encoding · reader · smartphone · camera · scan · image
Chinese multipurpose messaging app
- mobileCapable of movement
- walletSmall case for currency
- checkoutPayment completion process
- contactlessRequiring no physical touch
transaction · merchant · vendor · digital · cashless · transfer · invoice · receipt
Confirming genuine identity
- ticketEntry permit slip
- entryAccess or submission
- accessRight to enter
- credentialProof of qualification
certificate · vaccination · event · concert · identity · check-in · validation · security
code
Symbolic communication system
pixel · square · digital · encoding · reader · smartphone · camera · scan · image · data
Chinese multipurpose messaging app
contactless · transaction · merchant · vendor · digital · cashless · transfer · invoice · receipt · terminal
authentication
Confirming genuine identity
credential · certificate · vaccination · event · concert · identity · check-in · validation · security · pass
menu
List of available dishes
- restaurantPlace serving meals
- advertisementPaid promotional message
- posterDisplayed printed notice
packaging · label · brochure · flyer · campaign · billboard · product · URL · link · tracking
inventory
Catalog of held assets
- shippingTransporting goods to destinations
- trackingMonitoring location over time
- warehouseBulk goods storage building
supply-chain · asset · label · manifest · package · pallet · serial · batch · traceability · fulfillment
- QR codeTwo-dimensional scannable data pattern
- QR scanDigital barcode reading
- QR scannerDecodes matrix barcodes
- QR readerDecodes square matrix codes
- QR code paymentTransaction via scannable pattern
- QR decompositionMatrix as orthogonal-triangular product