The function of the synagogue was to study and teach Torah. The Synagogue was a church, a school, and a court of justice. It was a house of instruction. The unity of God, the Incorporeality of God, and the Holiness of God are the main features of Judaism.What are the basic tenets of Judaism?
The most basic tenet of Judaism is its monotheistic faith: Jews only believe and worship a single God. Unlike Christians, Jews do not believe in a godhead divided into three beings, known as the Trinity, composed of God, Jesus Christ and the Holy Spirit.What are the differences between Judaism and Catholicism?
Catholics are followers of religion, Jews are an ethnic group. If by Jews you mean followers of Judaism, then the main difference is that Judaism is based on Old Testament (obviously, they dont call it that way), and Catholicism puts emphasis on New Testament.