To me top supering is putting a super on top of the existing ones.

Putting a super next to the brood box would be under-supering in my book - an awful lot of work for which I can see very little point.  There is also the problem that, unless you want to lift off all the supers, you will have no idea when that super has been filled and another is needed.

Best wishes

Peter 
52°14'44.44"N, 1°50'35"W

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