Malcorian language on a computer monitor
The Malcorian language was the language of the Malcorians. (TNG: "First Contact")
Malcorian language writing was displayed holographically at the Mercantile on Hima in 3188. (DIS: "That Hope Is You, Part 1")
The Malcorian writing seen in "That Hope Is You, Part 1" is English written using a fan-made Malcorian font which was based on the symbols originally seen in "First Contact".