[@Polaris North]

Since it is a lot to go over, I would prefer if you read about them yourself. Also, if you haven't played the game itself, I would recommend reading up on some of the lore.. or play the game if you can.

[url]http://dragonage.wikia.com/wiki/Classes_and_specializations_(Origins)[/url]
This page can take you to all class and specializtions in the three games.

If you have any questions, feel free to send me a private message.