Arcana encompass both Virtues and Hubri, and while optional an Arcana is the best place to start any character.
Traits are the capabilities of your character, from her mental prowess to her physical strength.
Advantages set your character apart from everyone else. They represent natural edges he possesses, from a large stature to incredible beauty.
If applicable, your character may choose to take a Sorcery or Magic Ability, depending on the setting of the game.
Skills represent fields of study or training your character has undertaken, while knacks are the individual talents required as part of the skill. Skills are how your character takes action and gets things done.
XP Costs for starting characters that are not novice-level.