A mezuzah (plural: mezuzot) is a small, usually rectangular case containing a parchment scroll inscribed with specific Hebrew verses from the Torah. It is a religious object that is affixed to the doorframes of Jewish homes and sometimes businesses. The practice of hanging a mezuzah is a Jewish tradition with roots in the biblical commandment found in the Torah.

The main elements of a mezuzah are as follows:

Parchment Scroll (Klaf): The parchment inside the mezuzah case contains handwritten verses from the Torah, specifically from the passages of Deuteronomy 6:4-9 and Deuteronomy 11:13-21. These verses are collectively known as the "Shema," and they affirm the oneness of God and instruct Jews to love and serve God with all their heart and soul.

Mezuzah Case (Mezuzah Cover): The parchment scroll is enclosed within a decorative or plain case, often made of materials such as wood, silver, brass, or plastic. The case is usually designed to protect the parchment and may be ornamented with Jewish symbols or blessings.

The primary purpose of the mezuzah is to serve as a reminder of the Jewish faith and the commandments of God as individuals enter and exit the home. Upon entering or leaving a room with a mezuzah on the doorframe, some Jews will touch or kiss the mezuzah and recite a brief blessing or the Shema prayer.

The mezuzah is considered a symbol of Jewish identity and a way to sanctify the home, reminding inhabitants of their connection to God and the importance of living according to Jewish principles. It is also a sign of the Jewish people's historical and spiritual journey.