The document lists and defines different functions of language. It presents words and letters in a grid that correspond to different language functions, including: - Emissor (Sender), Receptor (Receiver), Mensagem (Message), and Código (Code) as referents to verbal language functions - Canal (Channel) as referring to the means of communication - Verbal and Não-verbal referring to verbal vs. non-verbal forms of communication - Coloquial, Culto, Referencial, and Emotiva referring to language registers and styles - Fática, Apeletiva, Metalingüística, and Poética referring to other language functions