It is located in the extraperitoneal space of Retzius, which is bounded by the parietal peritoneum posteriorly and the tranversalis fascia anteriorly. Urachal remnant carcinoma--a rare entity
In this sense, a classical language is a language that has a broad influence over an extended period of time, even after it is no longer a colloquial mother tongue in its original form.
A creole language is a stable natural language developed from a mixture of different languages. While the concept is similar to that of a mixed or hybrid language, in the strict sense of the term, a mixed/hybrid language has derived from two or more languages, to such an extent that it is no longer closely related to the source languages.