Navajo (Diné Bizaad) is an Athabaskan language spoken by the Navajo Nation, primarily in the southwestern United States. It is known for its complex verb system, tonal nature, and unique structure, which made it famously difficult to decipher—leading to its use by Navajo Code Talkers during World War II. Traditionally an oral language, it was later adapted into a writing system using the Latin alphabet. Despite periods of decline, revitalization efforts in schools and media continue to strengthe