Knowledge

A broad category for determining how much information your character can remember about a given topic, but not the use of said topics. Knowledge ≠ Practical Application.

Critters

Pertaining to familiar non-sapient beings.

Energy

Pertaining to magic in all its forms (except theurgy) and psi abilities.

Faith

Pertaining to spiritual beings (Gods, devas, fae, so on and so forth) and theurgy.

Geography

Pertaining to locations, natural formations, and recalling places you have previously been (when the Player does not remember).

Identify

Used for figuring out if something new is familiar enough to draw conclusions, and then doing so.

Medicine

Pertaining to the study of medicinal practices (anatomy, herbology, etc.) for familiar species.

Politics

Pertaining to laws, political figures, and political land boundaries.

Society

Pertaining to the understanding of social classes, traditions, and taboos for familiar areas.

Weaponry

Pertaining to weapons of various kinds.