ERA= Earned Run Average.
Earned Run Average
ERA stands for a pitcher's earned run average.
era stands for the time of discovery of a place.
ACE has dozens of distinct meanings, one of which is After the Common Era (but see the answer to the question, "Does ACE stand for After Common Era?").
Common Era (or Current Era).
Before the Common Era.
They can stand for the Equal Rights Amendment. They also stand for Earned Runs Average.
It means "year one of the Current Era" (or Common Era).
The lower the era, the better it is.
BCE stands for before common era and CE stands for common era.