An aspect is a phrase that describes something unique or noteworthy about whatever it’s attached to.

Most elements of the game, whether NPC, location, characters, or even the scenes themselves will have aspects that can affect game play.   Some aspects are temporary, while others are more permanent.

Your character’s High Concept is an aspect, and every player character will have at least a handful of primary aspects.

They determine who the character is, how they fit into the world, what they can do, and why they do it.  

You should also read More Thoughts on Aspects in general.