The following illustration shows the various elements of a QRCode.

• Position Markers: Help in identifying the boundaries of the QRCode.
• Format Information: Stores information like the error correction level and masking information, that help in recovering lost or missing data.
• Alignment Markers: Allows viewing the code at different angles.
• Timing Code: Helps in determining the size of the code.
• Version Information: Helps the code reader in determining what type of code is it reading.
• Dead Space: Separates the data from its surroundings.
• Data: Stores the information about the product that the QRCode is associated with.