Vital means extremely important or necessary, or related to life and living processes.
From Latin “vitalis,” meaning “of or belonging to life,” from “vita,” meaning “life.” It first described things needed to stay alive, then broadened to anything crucial.
When we call something “vital,” we’re quietly saying, “Without this, everything fails.” Doctors talk about “vital signs” because they are the minimum signals that life is still happening in your body.
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