A Discursive practice (n.) is a set of cultural rules that organize and produce forms of knowledge, which, much like grammar, permit or deny certain things from being sayable.
A Discursive practice (n.) is arguments, on books whereas non-discursive practices is the on-the ground monitoring of people, disciplining, torturing. ..
Discursive practice (n.) sits between words and things: it decides in advance what can be seen, what is overlooked, and which word may carry which meaning.
Discursive practice (n.) has rules for forming objects, concepts and theories that are neither rules of word use, nor syntax, nor logic — and they explain why one thing gets seen and another omitted.
A Discursive practice (n.) does not stay in discourse: when clinical talk was linked to the laboratory, the hospital itself — its rules, its doctor's status, his way of looking — had to change.
A Discursive practice (n.) is not a factory for discourse; it takes shape in techniques, institutions, habits of behavior and forms of teaching that both impose it and keep it going.
A Discursive practice (n.) is not an individual expressing an idea, nor reasoning, nor grammatical competence, but a body of anonymous, historical rules fixing, for a given time and place, how the enunciative function can operate.
A Discursive practice (n.) has rules not imposed from outside: caught up in the very things they connect, they are not changed by the least of them yet change them, and are transformed with them at decisive thresholds.