Tövereen Runes

Said to be part of the ancient language of the gods, these runes are the symbol of imbued magical slates. Some study the effects of combining these to acquire more powerful magic. See Runemagic
Simple words can be combined into more complex stuff. There are runes for simple effects, some notations make the effect permanent, longer or stronger.
The Slatecrafter is tasked with creating slates fit or runes. Is a mix of a leatherworker, artificier and metalworker.
A typical Runecrafter uses slates and imbues them with the language of the god.