Women from Hunan, a province in southern China, established a writing system used exclusively by women. Through this system, advice, feelings, and concerns circulated among them.

Nüshu is a unique case, so far it is the only writing in the world reserved exclusively for women. In the maintenance of indigenous American languages, the female gender has had a transcendental role, not only as transmitters, but as activists in the fight to preserve the legacy of their culture. The Chaná language, belonging to the town of the same name, originally from Entre Ríos, a region between Uruguay and Argentina.