This paper aims at defending the necessity of creating applications/nfrom studies on discourse, so that applied linguistics becomes a/nuseful tool for the society. This work explains briefly what reformulation connectors are and it shows the electronic prototype (than can be consulted by internet) of a tool designed to make the work of lexicographers/neasy concerning the entrance of connectors in the dictionaries (ALCOR), by making emphasis on the theoretical base on which it is sustained and on the decisions of application that have been taken into account.