+**Covering** describes the act of one form spreading across or enclosing another, offering protection or completeness. In [Topology](/wiki/topology), a collection of smaller parts can be a [Cover](/wiki/cover) if their combined embrace holds the whole. This fundamental idea echoes through various fields, from geometry to set theory.
+## See also
+- [Set Theory](/wiki/set_theory)
+- [Compactness](/wiki/compactness)
+- [Open Set](/wiki/open_set)
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