Dragon's Abode Instructions

I'm a newbie to Dragon's Abode and there are no instructions. Can anyone tell me what is needed to complete a level and what the goal of the game is? Thanks.

[b] ya i just purchased this game
it's easy too figure out,
it's a match 3 pouzzle you have to get all the stones it plays like other games
but still nice and nice graphics.
ira,
da, have a nice day