How many orders of CLASSIFICATIONS Of Jewish/Jews People are there?

How many orders of CLASSIFICATIONS Of Jewish/Jews People are there? Is the word Jew/Jewish in Torah? What do the Jewish Scholars Translate the Word “Jew” From In The Torah? Avram Was Not Called A Jew, but Hebrew! Abram The Hebrew BERESHITH – GENESIS 14:13 And there came one that had escaped, and told Avram the Hebrew {ib-ree’ “one from beyond”} {ay’-beAr’ “the region beyond”}; for he dwelt in the plain of Mamre the Amorite, brother of Eshcol, and brother of Aner: and these were confederate with Avram.