Beowulf
What have dragons traditionally represent in literature
beowulf
beowulf
This is actually a huge question for this short forum space. Books are written about this. One can consider dragons from different cultures meaning different things. One can consider Tolkien's dragons or even dragons from HBO's Game of Thrones. Check out the link below and see if it helps.
http://www.wisegeek.com/what-are-the-roles-of-dragons-in-mythology.htm