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.
Acanthosis nigricans causes dark, thickened patches on the skin in areas including the neck, armpits, groins and under the breasts. Acanthosis nigricans is usually a sign of another medical condition, such as diabetes, rather than being a condition in its own right.