Langages - Année 2004 - Volume 38 - Numéro 153 - Pages 120-126François Rastier : Poétique et textualité. Despite some reluctance, the problem of genres is part and parcel of linguistics. Genre is a global clue which characterizes every text. Moreover, genre determines the relationship between the two strata of language at the text level, by means of what we may call textual semiosis. Genres also have a feedback on local clues, at the level of vocabulary and morphosyntax. Finally, the description of genres is necessary to conceive the space of norms, a mediation between a linguistic system and usage. 7 pages Source : Persée ; Ministère de la jeunesse, de l’éducation nationale et de la recherche, Direction de l’enseignement supérieur, Sous-direction des bibliothèques et de la documentation.