Mercat (common trade language of the Steel Realms)
Mercat is the mercantile language; it is a combination of a few gestures and hand signs with verbal communication. Oration is not possible, it’s intent is to communicate basic ideas and counting across all species and locales.
History of Mercat
It was invented by the peoples of the Merchant Cities and combines ancient and newer ideas to express common ideas in order to facilitate trade.