|Radius in Points:| values indicate the radius, in |points| (1/72 of an inch), for the quarter circles at each corner of rectangles.
|Relative:| values indicate the relative size of the radius, compared to the length of the rectangle (the shorter of the width and height is used).
#3
#4
|Square:| the selected ovals and rounded rectangles are changed to rectangles, but the default setting for the |Rounded Rectangle Tool| is not affected.
#7
#10
|Oval:| the selected rectangles and rounded rectangles are changed to ovals, but the default setting for the |Rounded Rectangle Tool| is not affected.
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|Corners| switches the selected objects between ovals, rectangles, and rounded rectangles. Except for |Square| or |oval|, the default for the |Rounded Rectangle Tool| is also changed.