"Nusach HaTefillah" is the structured text used during Jewish prayers. There are different versions of the prayer text, called "nusach," based on traditions from various Jewish communities, such as Nusach Ashkenaz (used by Jews of European origin), Nusach Sefard (used by some Hasidic communities), and Nusach Edot HaMizrach (used by Jews of Middle Eastern descent). These versions differ in their wording, sequence, and certain customs but all follow the core framework of Jewish liturgical practice, including prayers such as the Shema and the Amidah.

The concept of "Nusach" emphasizes that while there are variations, the underlying purpose remains the same: to connect with Hashem through prayer and fulfill the mitzvah of communal and individual tefillah (prayer).