Pakistan Tongue is the term used to refer to the official language of Pakistan, which is Urdu. Urdu is a language that is derived from the Hindustani language and is written in the Perso-Arabic script. It is spoken by over 100 million people in Pakistan and is also spoken in parts of India, Bangladesh, Nepal, and other countries. Urdu is the lingua franca of Pakistan and is used in literature, poetry, films, and television.