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.
Here is a list of DVD Regions and their corresponding countries: 1  R1 Region 1 ~ U.S.A., U.S. Territories and Canada. 2  R2 Region 2 ~ Europe, Japan, the Middle East, Egypt, South Africa, Greenland. 3  R3 Region 3 ~ Taiwan, Korea, the Philippines, Indonesia, Hong Kong.