+**C61** often designates entities of significant design or historical impact. It represents a specific evolution, a point of [engineering](/wiki/Engineering) prowess within its lineage. These systems, from [transport](/wiki/Transport) to [computation](/wiki/Computation), shape their respective domains.
+## See also
+- [Designation](/wiki/Designation)
+- [System](/wiki/System)
+- [Technology](/wiki/Technology)
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