Old Saxon is a term used to describe the language and culture of the Saxons in the early medieval period. This language was spoken in a region that is now part of Germany, and it played an important role in the development of the German language. There are several synonyms for the term "Old Saxon," including "Old Low German," "Old Saxonian," and "Old Low Saxon." These synonyms are often used interchangeably to refer to the same language and culture. Despite its historical importance, the Old Saxon language is no longer spoken today, and it has been replaced by modern German.