Glossary of Tax Stamp Terms
There are 69 entries in this glossary.D
| Term | Definition |
|---|---|
| Datamatrix |
a barcode consisting of many lines of linear barcodes arranged into a rectangular or square format. Its advantage is that it can carry much more information than a single, linear barcode. It is also known as a 2D barcode. |
| Decryption |
the process of converting encrypted data back into its original form (see encryption) |
| Diffractive optically variable devices |
the collective term for images that display complex visual effects that change according to the viewing angle, based on the phenomenon of diffraction. These effects are varied, and are typically three dimensional (exhibiting depth as well as width and height), kinetic, multi channel (in which one image, or part of an image, changes into another) or animation. DOVIDs are created either via the interference of two laser beams (ie holograms) or through direct write processes using an electron or laser beam. |
| Digifeiting |
the reproduction (as in counterfeiting) of documents and packaging using digital reprographic technology. |
| Digital printing |
the reproduction of digital images and data on physical surfaces via inkjet, laser or dot matrix printers. The images are transferred directly to the printer and the process is particularly suited for documents, labels etc with variable data. |
| Digital stamps |
tax stamps containing a unique digital encrypted code that is stored in a database and can be used for remote verification |
| Digital watermark |
digital data embedded directly within print content which is imperceptible to humans but readable by computers. |
| Diversion |
genuine goods distributed outside of and often in violation of authorized distribution channels (also known as parallel trading) |