+A **flag** is a piece of fabric, often rectangular, used symbolically as a device for signaling or identification. It can represent a nation, an organization, or an idea, often displaying specific [Colors](/wiki/colors) or [Emblems](/wiki/emblems).
+## See also
+- [Vexillology](/wiki/vexillology)
+- [National Symbol](/wiki/national_symbol)
+- [Heraldry](/wiki/heraldry)
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