1

None. This culture has absolutely no magical tradition, and may be incapable of using it.

2

Lost. This culture may have once had magical arts, but they have since been lost or rendered unusuable. It may be they never had any, but a predecessor culture did.

3

Hidden. Sorcery is deplored and despised, and those who shepherd knowledge of it must hide that fact.

4

Reserved. These people have a magical tradition, but it  is restricted to a specific group - rulers, priests, specially ordained wizards, or some other subgroup.

5

Limited. While there is no cultural bar on the practice of magic, only a limited number of the inhabitants have the talent or interest necessary to pursue the art.

6

Widespread. Most of the culture are either practitioners or participants in magical rituals. Elements of their society are likely strongly colored by their arcane arts.