Design de ferramentas de comunicação baseado em gêneros de discurso

This paper presents the process of developing a new design to the chat tool of TelEduc environment in order to support collaborative activities in distance courses. This process arouse from the analysis of the tasks that will be carried out by the users from the point of view of the language action. Besides that, coordination mechanisms were added to the tool in order to put into practice the different tasks that should be accomplished, and the results of the tests show improvements in the organization of a conversation.