+"504" indicates a server acting as a [Gateway](/wiki/gateway) did not receive a timely response from another server it was accessing to fulfill a request. It marks a moment of digital [Patience](/wiki/patience) exhausted, a connection left unfulfilled, and often signals an issue deeper within a network.
+## See also
+- [HTTP](/wiki/http)
+- [Server](/wiki/server)
+- [Timeout](/wiki/timeout)
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