Intellect

Bodypart: Head / Brain

Intellect is a measure of your character's ability to understand and remember complex things. While this is applicable to many situations which occur outside of combat such feats of knowledge, intellect also controls the total combined level of all spells that a player may know without the aid of a spellbook or magical item.  

Reasoning

Specialization

Class Abilities: Wild Apothecary (Witch)
Abilities: Deduction, Prediction, Inquiry
Reasoning is a skill used to solve puzzles, arrive at deductions and craft theories based on observable evidence. It's used to reach conclusions about things which the character can't rely on purely academic or personal knowledge of.

Wit

Traits: Laconic, Witty Drunk, Cutting, Storyteller
Abilities: Insult, Banter, Retort
Class Abilities: Stinging Arrow Way (Mystic)
  Wit is a form of social intelligence, used to annoy, distract or turn insults back on someone who's being insulting.
 

Knowledge

Traits: Bookworm, Vivid Recollection
Abilities: Nature, History, Navigation, Arcana
Class Abilities: Secret Knowledge, Arcane Memory
Race Abilities: Ancestral Memory
Conditions: Amnesia   Through remembrance of observation, experimentation and learning from others, one can improve their knowledge in a number of areas.