2-step Runge Kutta method

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I just started studying RK method of order 2. I want to know that, " RK method of order 2 and 2 step RK method are same or not?"

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Steps/stages = number of function evaluations.

Order = accuracy of the approximation.

The usual RK2 requires two evaluations and the error is $O(h^2)$ ($h =$ step size.)