His âsix defining characteristicsâ are as follows: 1  1. âA discourse community has a broadly agreed set of common public goals.â. 2  2. âA discourse community has mechanisms of intercommunication among its members.â. 3  3. âA discourse community uses its participatory mechanisms primarily to provide information and feedback.â.
Causes of Similar Symptoms to Dark stool in children. Research the causes of these symptoms that are similar to, or related to, the symptom Dark stool in children: 1  Stomach bleeding (4 causes). 2  Rectal bleeding (324 causes). 3  Internal bleeding (22 causes). 4  Peptic uler. 5  Gastritis (39 causes).
Medications or Substances causing Black stool. Medications or substances causing Black stool. The following drugs, medications, substances or toxins are some of the possible causes of Black stool as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms (see Black stool).