GTLTAC is a research group affiliated with the Associação Nacional de Pós-graduação em Letras e Linguística (ANPOLL), focused on the study of text linguistics and conversation analysis. Our mission is to contribute to the development and dissemination of knowledge in these areas, through research, teaching, and extension activities. Our values are based on scientific rigor, ethical conduct, and social responsibility. We believe that our work can contribute to a better understanding of language and communication, and to the improvement of human relations.