The Oto-Manguean language family is a group of indigenous languages primarily spoken in Mexico. It includes several languages, such as Zapotec, Mixtec, and Amuzgo, each with its own unique dialects. These languages are known for their complex tonal systems, which can change the meaning of words based on pitch. Linguists categorize the Oto-Manguean family into three main branches: Oto, Mixtecan, and Zapotecan. The languages are rich in cultural significance and are often used in traditional ceremonies and storytelling. Efforts are ongoing to preserve these languages as they face challenges from globalization and language shift.