www.worldofwar.net has posted a guide to reputation. It explains what it is, where to get it, and the benefits to having it. The guide is well done and worth checking out.

Many wonder whether faction and reputation are the same, and some even use those words interchangeably. The fact of the matter (that is, if you want to sound smarter than your average ogre) is that faction and reputation are two different things entirely, but they do go hand in hand.

You can read the whole article here.