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).
Black or dark stools are a common side effect that may be the harmless result of unabsorbed iron. Whether you are taking iron supplements alone or a multivitamin with iron, you may experience this. Other things that may cause black stools include: 1  Foods that are dark blue, black, or green.  Bismuth (Pepto-bismol)