What Is referred to as the way the code of life for Orthodox Jews?

Following the Torah, both the Oral and the Written Law. These consist of the Old Testament (the Chumash) as well as the rest of the books of the Written Law (referred to as Tanach, an acronym for the 3 main sections of the Written Law). The Oral Law is comprised of all the valid Orthodox writings in the centuries since Moses, such as the Mishna, the Talmud Bavli, Talmud Yerushalmi, and the writings of the Rishonim and Acharonim.