9 Apparatus, instruments and devices for downloading, copying and/or engraving digital video discs (DVDs) on demand; apparatus, instruments and devices used in the context of the centralised production of DVDs on demand; software for downloading, copying and/or engraving digital video discs (DVDs) on demand; apparatus, instruments and devices for reading, encoding, recording, storing, transmitting, reproducing and downloading content on demand, namely sound, images, data and/or videos, on digital or optical media such as digital video discs (DVDs); digital video discs (DVD); software for the reading, encoding, recording, storing, transmitting, reproducing and downloading of content on demand, namely sound, images, data and/or videos, on digital or optical media such as digital video discs (DVDs); software enabling the functioning of electronic transactions, in interactive multimedia and entertainment services, and in the purchase and sale of DVDs; software for providing and accessing retail sales sites and online sales catalogues