That is true, but it misses half the meaning. Challah names both a loaf and a mitzvah.
Challah means bread and a separated portion of dough
Britannica explains that challah is the rich Jewish bread associated especially with Shabbat and festivals. Chabad's explanation adds the older legal meaning: challah also refers to the portion of dough set aside in fulfillment of biblical commandment.
That double meaning matters because the food on the table did not begin as mere cuisine. It comes from a ritual act with legal and sacred meaning.
Why there are often two loaves on Shabbat
Traditional Shabbat meals commonly use two loaves to recall the double portion of manna described in the wilderness story. That practice turns bread into memory. The Sabbath table becomes a place where abundance, dependence, and sacred time are staged through repetition.
This is one reason challah carries more symbolic force than ordinary bread. It is baked into weekly ritual.
The braid is cultural, not the whole law
Many people assume challah simply means the familiar braided Ashkenazi loaf. In practice, Jewish communities developed different breads, shapes, and textures. The braid is culturally iconic, but the core religious meaning is broader than one style.
So challah is both specific and flexible: a ritual category with many local culinary forms.
Domestic practice matters here
Challah is a good example of how Judaism often carries theology through household action rather than abstract statement. Blessing, covering the loaves, cutting, sharing, and timing the meal all turn bread into part of sacred rhythm.
That is why challah can matter deeply even to Jews who are not otherwise highly observant. The loaf sits at the junction of home, memory, and liturgical time.
Why it still matters
Challah still matters because it shows how ordinary food becomes covenantal practice. Bread is not just eaten; it is prepared, blessed, remembered, and placed inside Sabbath and festival life.
The shortest accurate answer
Challah is the Jewish bread associated with Shabbat and holidays, and the term also refers to the ritual separation of dough that links the loaf to an older biblical commandment.