Judaism

Judaism does not fit neatly into a model where religion is only a private set of beliefs. Jewish identity can involve religious practice, ancestry, family, culture, history, community and peoplehood, often in combination.

This helps explain why Jews may describe themselves as observant, secular, cultural or affiliated with different religious movements while still participating in Jewish communal life. Conversion also exists through formal religious processes, with standards that can differ among movements. A definition based only on assent to a creed would therefore miss important parts of Jewish identity.

The Torah and the history of ancient Israel form foundational layers of Jewish tradition. After the destruction of the Second Temple in Jerusalem in 70 CE, rabbinic forms of study, prayer, law and communal organization became especially important. Synagogue and home practice took on roles that did not depend on the Temple cult.

Rabbinic Judaism developed a large interpretive literature around Torah and Jewish law, including the Mishnah and Talmud. Medieval commentators, legal codes, philosophical works, mystical traditions and local customs added further layers. Modern Jewish movements emerged much later under changing political and social conditions, especially in Europe and North America.

The Torah, the Five Books of Moses, occupies a central place in Jewish religious life. It is part of the broader Tanakh, which also includes the Prophets and Writings. Torah scrolls are read liturgically in synagogue, while study extends far beyond the written text into centuries of commentary and debate.

Jewish tradition therefore cannot be described accurately through the Hebrew Bible alone. Rabbinic literature, legal reasoning, commentary, liturgy and custom are central to how communities understand and practice inherited texts.

Different movements do not relate to this inheritance in exactly the same way. Orthodox Judaism generally treats halakhic tradition as binding, Conservative/Masorti Judaism also works within a halakhic framework while allowing institutional legal development, and Reform Judaism has developed a different approach to authority, modern scholarship and religious choice.

Jewish traditions commonly speak of one God, covenant, Torah, mitzvot or commandments, prayer, ethical responsibility and repentance. These ideas are connected to practice as well as belief.

Mitzvot can concern worship, food, time, family, charity, business conduct and relations with other people. The covenantal language of Jewish tradition frames religious life as both inherited relationship and lived responsibility. Communities differ, however, over which obligations are binding, how they should be interpreted and how inherited law relates to modern conditions.

Halakhah refers to the body of Jewish law and practice developed through scripture, rabbinic interpretation, precedent and later legal reasoning. It is not simply a list of rules detached from communal history.

Orthodox communities generally understand halakhic obligation as binding and continuous, though legal interpretation still occurs through recognized rabbinic processes. Conservative/Masorti institutions also issue halakhic rulings while allowing forms of change through their own legal structures. Reform Judaism historically developed a less binding approach to traditional halakhah, emphasizing ethical responsibility, informed choice and adaptation while continuing to engage Torah and ritual.

Because those authority models differ, a ruling from one Jewish institution does not automatically describe the practice of every Jewish community.

Jewish religious life is organized through both synagogue and home. Synagogue services can include prayer, Torah reading, teaching and communal gathering. Home practice is equally important in many communities, especially around Shabbat, dietary practice, holiday meals and family rituals.

Hebrew has a central role in Jewish liturgy, but communities also use local languages. Prayer books and liturgical customs vary by movement and regional tradition. Gender roles, seating, music and the structure of services can also differ significantly.

Shabbat, from Friday evening to Saturday evening, is a central weekly institution in Jewish life. Traditional practice includes rest from defined categories of work, prayer, meals, blessings and communal or family time. The meaning and level of observance vary across movements and households.

The annual calendar includes festivals and holy days such as Passover, Shavuot, Rosh Hashanah, Yom Kippur and Sukkot. These observances connect scriptural memory, seasonal rhythms, liturgy, family practice and communal identity.

Kashrut is the Jewish system of dietary law. It includes categories of permitted and prohibited foods and, in traditional practice, rules concerning slaughter, blood, meat and dairy, utensils and food preparation.

Not all Jews keep kosher in the same way. Orthodox certification systems represent Orthodox halakhic standards, while Conservative/Masorti and Reform communities may approach dietary practice through different authority structures. Even within a single movement, household practice can vary.

This is a good example of a broader principle in Judaism: a shared inherited practice can remain recognizable while its contemporary application differs among communities.

Modern Jewish movements do not share one central governing institution. Orthodox Judaism itself contains multiple institutions, communities and rabbinic authorities. The Orthodox Union is influential in North American Orthodox life but does not function as a universal Jewish authority.

The Conservative/Masorti movement includes institutions such as the Rabbinical Assembly and formal processes for legal interpretation. Reform Judaism includes institutions such as the Union for Reform Judaism and emphasizes a different relationship between tradition, autonomy and modernity.

Beyond these broad movements are other Jewish communities and identities that do not fit perfectly into a three-part map. The labels are useful orientation tools, not complete descriptions of Jewish life.

Jewish communities have developed across the Middle East, North Africa, Europe, Central and South Asia, the Americas and elsewhere. Ashkenazi, Sephardi, Mizrahi and other histories shape language, liturgy, food, music and communal custom.

Regional traditions should not be confused with separate religions, but neither should one region's customs be treated as universal. Jewish life is held together through overlapping texts, memories, practices and peoplehood while remaining internally diverse in theology, law, culture and levels of observance.