Why is Newar considered a caste not a community or a civilization?

Social Structure and Caste System Newar community social structure follows a stratified caste hierarchy that historically organized occupational roles and

The Newar of India, numbering 222000, are Engaged yet Unreached They are part of the OBC Hindu people cluster within the South Asian Peoples affinity bloc

newar nepal Newar Stock Photos and Images RM FYY9N4–Newar women sit and await Bisket Jatra festivities RF 2HEPG6B–Bhaktapur family making puja during Bisket Jatra, the

newar Newar is also known as Newari, Nepal Bhasa , Newa Bhaye, Newaah Bhaae, Newaah Bhaaye, Newah or Newal Bhaye In Nepal it is