[EN] Reformulation markers (das heißt, und zwar, beziehungsweise, nämlich) are discourse units that fulfil extrapredicative functions related to text coherence and cohesion, as well as to the guiding of the inferences which facilitate the construction of sentence meaning in view of a given communicative context. Contemporary German grammars have dealt with these units in a very partial way and have not attempted to find similarities in their meaning and discursive behaviour that allow us to define reformulation markers as a pragmatic (and not a lexical) category. Our research intends to show that the comprehensive representation of a marker must comprise the identification of the metalinguistic operations that it is able to carry out and of...