Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Barcode(also: Bar Code, QR Code, 1D Barcode)
- A barcode is a machine-readable visual encoding of data — linear (one-dimensional, such as UPC or EAN) or matrix (two-dimensional, such as QR or DataMatrix codes). In a digital accessibility context, barcodes are commonly used as a lightweight way to attach identifying or…
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