BC and AD are abbreviations for before Christ and Anno Domino mean before the Christ's birth after the Christ's birth
Standard DVDs. 1  Region 1: U.S., U.S. Territories, Canada, and Bermuda. 2  Region 2: Japan, Europe (excluding Russia, Belarus and Ukraine), Greenland, South Africa, Swaziland, Lesotho, Egypt and the Middle East. 3  Region 3: Southeast Asia, South Korea, Taiwan, Hong Kong and Macau.
When a disc is marked with a particular region code, it means that the disc will only play in DVD players that can handle that region, or all region player. Region six DVDs, for example, will only play in region six or all region players.A manufacturer can also choose to mark a disc as region zero, all region, or region free, meaning that it will play in all players.op 10 facts about the world. The term âregion freeâ refers either to a DVD that can be played anywhere in the world, on any player, or to a DVD player that is capable of handling discs from anywhere.