AbsoluteTiming[expr] evaluates expr, returning a list of the absolute number of seconds in real time that have elapsed, together with the result obtained.
AnimationDirection is an option which specifies the direction to run an animation.
Blur
(Built-in Mathematica Symbol) Blur[image] gives a blurred version of image.Blur[image, r] gives a version of image blurred over pixel radius r.
BoxBaselineShift is an option for AdjustmentBox that specifies how much the baseline of the box should be shifted relative to those of neighboring characters.
BoxFrame is an option for FrameBox objects that specifies whether to draw a frame around the contents of the box.
ButtonFunction is an option for the low-level function ButtonBox that specifies the function to execute when the button is active and is clicked.
CheckAbort[expr, failexpr] evaluates expr, returning failexpr if an abort occurs.
CirclePlus[x, y, ...] displays as x\[CirclePlus]y\[CirclePlus]....
Closing
(Built-in Mathematica Symbol) Closing[image, ker] gives the morphological closing of image with respect to the structuring element ker.Closing[image, r] gives the closing with respect to a range r square.
ColorQuantize[image, n] gives an approximation to image that uses only n distinct colors.