Attributes describe your character's strengths and weaknesses. Nobody is perfect in all regards, but some are clearly focused on improving specific parts of their lives, while others are more well-rounded Jacks-of-all-trades.
There are eight core attributes:
Agility - Your ability to dodge an attack and to perform acrobatic feats. Affects the amount of starting AP in combat.
Charm - Your attractiveness and ability to influence other people.
Endurance - Your perseverance to survive harsh conditions, and your threshold for pain.
Intelligence - Your ability to think through problems rationally and the knowledge you have regarding technical instruments.
Intuition - Your ability to innately predict the outcome of actions, your creativity and ability to formulate improvisational solutions. This attribute contributes to a Mystic's energy amount and regeneration rate, used for many of their abilities.
Luck - The way fate deals you lucky or unlucky cards. Some people were just born more lucky than others.
Muscle - Your ability to use strength to overcome obstacles and manipulate objects.
Perception - Your ability of observation.
Secondary attributes include:
Age - Attributes are effected by age.
Appetite - A measure of how much space your stomach has.
Carrying Capacity (Encumbrance) - How much you can carry.
Influence - The number and quality of social connections you have.
Health - A metric of how much of a beating you can take before you die of injury.
Wealth - The accumulated amount of valuable goods.