The Yoonish Language
Yoonish is a language and writing system used and spoken by the majority of beings and is the most commonly spoken and written language in the Rook universe.

Yoonish typography character chart
Yoonish has developed over the course of more than 5,400 years. The writing system is a set of phonetic symbols developed by Wonderchild Labs in 81X to represent the position of speech organs in articulating sounds.

Type letterform classifications
The system is composed of symbols that show the position and movement of the throat, tongue, and lips as they produce the sounds of language, and it is a type of phonetic notation.

Yoonish Light and Yoonish Heavy font comparison
Some have speculated that the names Yoona and Yoonish derive from the word Universe.