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.
Similarly, almost all DVDs and DVD players sold in Germany have a region code of 2, and DVDs with a region code of 2 can only be played on DVD players with that same region code. What this means is that if you live in North America and order a DVD from Germany, it probably will not play on your DVD player.