a recognition that genres are situated within discourse communities, wherein the beliefs and naming practices of members have relevance an emphasis on communicative purpose and social action an interest in generic structure (and its rationale)
Because of the potential implication of circulation disorders, darkened skin around the ankles that is not immediately explainable by simple environmental factors should be promptly called to the attention of a medical doctor for appropriate diagnosis and treatment.
When blood pools in these veins, there is an increased chance that fluids will leak out into the surrounding tissues. Therefore, venous insufficiency can cause swelling in the ankles and feet. Edema due to chronic venous insufficiency can be recognized by the ulcers and color changes in the skin of the lower leg.