| Category | Languages |
| Type | illithid writing |
Putting their prodigious minds to work, the illithids devised a system of writing based on texture and touch. This writing, called Qualith, attempts to capture the essence of immersive telepathic contact normally used for communication. The qualith utilizes four levels of logic simultaneously: four striated lines, each alternately solid or broken, along which illithids run their tentacles in order to perceive meaning.[1]
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