Asynchronous is an option for WolframAlpha that determines whether to use the asynchronous features of the Wolfram|Alpha API.
AutoScroll is an option to SelectionMove and related functions that specifies whether a notebook should automatically be scrolled to display the current selection.
Axis
(Built-in Mathematica Symbol) Axis is a symbol that represents the axis for purposes of alignment and positioning.
BitClear[n, k] sets to 0 the bit corresponding to the coefficient of 2^k in the integer n.
BitGet
(Built-in Mathematica Symbol) BitGet[n, k] gets the bit corresponding to the coefficient of 2^k in the integer n.
BitLength[n] gives the number of binary bits necessary to represent the integer n.
BitNot
(Built-in Mathematica Symbol) BitNot[n] gives the bitwise NOT of the integer n.
BitShiftRight[n, k] shifts the binary bits in the integer n to the right by k places, dropping bits that are shifted past the unit's position on the right. BitShiftRight[n] ...
Blank
(Built-in Mathematica Symbol) _or Blank[] is a pattern object that can stand for any Mathematica expression. _h or Blank[h] can stand for any expression with head h.
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.