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.
Region 1 discs won't play in region 2 players, and vice versa. Or so I was told when I first moved here 6 years ago. But that's not true. Region coding can, in most cases, be removed from your DVD player using a simple remote-control code that unlocks the player.