The Torah has two parts: The "Torah Shebichtav" - written l aw, which is composed of the twenty - four books of the Bible , and the "Torah Sheba'al Peh" - oral l aw which is the Talmud
Written Tradition
As the name says, these are the 24 books of the Bible or Old Testament. It consists of three parts:
However, the Written Torah required oral explanations to ensure nobody would misinterpret what was written.
According to Orthodox Judaism, the Oral Law w as transmitted orally from God to Moses on Mount Sinai, and included fine detail of the laws and statutes, that were not recorded in the written Torah.
This Oral Law was finally written down after the destruction of the 2nd Temple as the Rabbis wanted to preserve the learning which they thought may disappear in the exile from Israel.
According to Reform Judaism the Oral Law is interpretations written by the Rabbis in the centuries after the destruction of the Temple in Jerusalem in 70 CE which hold no more authority than other opinions of Jewish sages and leaders throughout the centuries to modern times.
According to Masorti or Conservative Judaism the Oral Law has authority as law but are flexible guidelines written by the Rabbis. The Oral Law is The Talmud (Study) which has 2 parts:
"A little bit of light dispels a lot of darkness"
-Rabbi Shneur Zalman of Liadi