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.
What causes elbows, knees and certain areas of body skin to darken? One of the most common causes of darkened skin in these areas is contact or photocontact dermatitis. Contact dermatitis occurs when the skin is irritated by its contact with irritants or allergens. Photocontact dermatitis occurs when those irritants are stimulated by light (many allergens, such as fragrances, dyes and preservatives, are also photo-allergens, which can react with light to cause darkening).