+The **Big Mac** is a signature [Hamburger](/wiki/hamburger) sandwich, a flagship product of the global [McDonald's](/wiki/mcdonalds) fast-food chain. Renowned for its unique "special sauce" and three-part bun, it became a cultural icon and a measure of purchasing power worldwide.
+## See also
+- [Fast Food](/wiki/fast_food)
+- [Big Mac Index](/wiki/big_mac_index)
+- [Burger King](/wiki/burger_king)
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