A: A rotation is when a figure is turned 90 degrees, 180 degrees, 270 degrees, 360 degrees either clockwise (cw) or counterclockwise (ccw). The size and shape of the figure do not change.
E: A rotation is a type of transformation which is a turn. A figure can be turned clockwise or counterclockwise on the coordinate plane. In both transformations the size and shape of the figure stays exactly the same.