after an unspecified period of time or a long delay
Scholars believe that these stories of the patriarchs were passed along by word of mouth for hundreds of years. Eventually, they were written down in Genesis, the first book of the Torah.
Many centuries after the time of Moses, prominent Jewish rabbis, or religious teachers, recorded oral laws that they believed had come down from the teachings of Moses.
the body of Jews outside Palestine or modern Israel
Communities of Jews now lived throughout the Babylonian empire, which stretched across the Fertile Crescent. These communities outside the Land of Israel came to be known as the Diaspora, or communities of Jews living out of their ancient homeland.