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.
Here's a list of the most common causes. Dark circles run in families for a number of reasons. When blood passes through the veins under your eyes (where the skin is very thin), dark circles can appear. If your skin is more transparent (an inherited trait), the circles will appear darker.