What is different about the article about the various jomon phases in the article

The Jōmon period, which encompasses a great expanse of time, constitutes Japan’s Neolithic period. Its name is derived from the “cord markings” that characterize the ceramics made during this time. Jōmon people were semi-sedentary, living mostly in pit dwellings arranged around central open spaces, and obtained their food by gathering, fishing, and hunting. While the many excavations of Jōmon sites have added to our knowledge of specific artifacts, they have not helped to resolve certain fundamental questions concerning the people of the protoliterate era, such as their ethnic classification and the origin of their language.

Explanation: