This auxiliary chapters is to be set as a reminder for the future for certain common lingo going forward.
Humanity as a species in this new world have access to magic, the magic they have is a Revision of Pokémon types but since they have no idea what Pokémon types are they have categorized them in their own way.
the best way to explain the distribution of the typing's as well as their rarity would be this list, This list has them in their category while the further they are down the list the more rarer the type in question is within the world;
1.Basic = (Normal.)
2.Elemental = (Fire, Water, Ice, Ground, Rock, Flying,)
3.Nature = (Grass, Poison,)
4.Body enhancement = (Fighting, Dragon, Bug,)
5.Artifice = (Electric, Steel,)
6.Shadow = (Ghost, Dark,)
7.Esoteric = (Fairy, Psychic,)